162:
170:
travels further, therefore has more exposure to the GI system and can be partially digested into melena before leaving the system. Hematochezia generally occurs lower in the GI tract, and is much closer to its exit, although fast bleeds can occur in the upper system as well. Bleeding of the lower GI tract will typically appear as hematochezia and can vary in degree of seriousness. Slow
33:
241:. Evaluation of the blood found in stool depends on its characteristics, in terms of color, quantity and other features, which can point to its source, however, more serious conditions can present with a mixed picture, or with the form of bleeding that is found in another section of the tract. The term "blood in stool" is usually only used to describe visible blood, and not
125:
778:
suspicion for a source from the upper GI tract is higher, leading first to the use of EGD with the other tests being required if no source is identified. The anoscopy is another type of examination, which can be used along with a colonoscopy, which exams the rectum and distal portion of the descending colon.
276:
can be divided into upper and lower, with some causes of bleeding affecting the entire tract (upper and lower). Blood in the stool often appears different depending on its source. These differences can help when diagnosing these conditions. The rate of bleeding can also make blood in the stool look
169:
The transition from the upper to lower GI tract is considered to occur at the duodenal-jejunal junction, therefore small intestine is part of both the upper and lower GI tract. Other organs participate in digestion including the liver, gallbladder, and pancreas. Blood entering the upper GI tract
777:
test may be necessary. If no source of active bleeding is found on these examinations, a capsule endoscopy may be performed, in order to more closely examine the small bowel, which cannot be seen with the other types of studies. With melena, a DRE with FOBT is often also performed, however the
317:
The development of blood in a person's stool results from a variety of conditions, which can be divided into major categories of disease. These broad categories include cancerous processes or abnormal structure of bowel wall, inflammatory disease, colitis caused by infection or medications and
403:
result from an out pouching of the colonic mucosa, or gut wall, leading to a breakdown of weak gut wall and an increased susceptibility to infection due to the bacteria in the GI tract, thus the potential for vascular compromise, the collection of bacteria in the area of
1091:
Structural compromise leading to blood in stool is caused by a variety of conditions, and therefore requires different treatment for each condition. Peptic ulcer disease alone can be divided into multiple causes, but is generally initially controlled primarily with a
712:
The tests that are considered to evaluate of the passage of blood in the stool are based on the characteristics of bleeding (color, quantity) and whether or not the person passing blood has a low blood pressure with elevated heart rate, as opposed to normal
772:
Hematochezia is typically presumed to come from the lower portion of the GI tract, and the initial steps of diagnosis include a DRE with FOBT, which if positive, will lead to a colonoscopy. If the person has a large amount of blood in their stool, an
2881:
2511:
1560:
3781:
272:
Blood in the stool can come from many sources. The causes range from not harmful to very serious conditions. A common way to divide causes of bleeding is based on the source of bleeding. The
1038:(which help fluid movement through the colon, improving overall motility). Improving a person's gut motility can reduce the straining during defecation and decrease the risk of developing
979:
is a common complication of blood in the stool, especially when there is a large amount of blood or bleeding occurs over a long period of time. Anemia is also commonly associated with an
2507:
43:
2959:
348:
The gut wall is important for the movement of waste products through the GI tract. Repetitive attempts to have a bowel movement can lead to tearing around the exit of the
2350:
952:, and these associated symptoms also require treatment. These symptoms are the result of blood loss, and occur due to a lack of red blood cells (RBCs) circulating in the
2058:
3463:
956:
system, resulting in less oxygen reaching the tissues and organs. Blood in stool can be associated with serious complications as a result of blood volume loss (
1088:, however, removing radiation from a cancer patient is not always practical within a treatment regimen, so medical treatment is the primary mode of treatment.
388:
infection—this bacterial infection can erode the wall of the stomach or duodenum, leading to a structural change in the stomach wall and bleeding in the stool.
3058:
872:
A texture described as tarry stool is generally associated with dark black stool seen in partially digested blood. This is generally associated with melena.
1564:
3097:
2358:
2134:
Travis SP, Higgins PD, Orchard T, Van Der Woude CJ, Panaccione R, Bitton A, O'Morain C, Panés J, Sturm A, Reinisch W, Kamm MA, D'Haens G (July 2011).
1513:
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to the intestines which is normal closed off and destroyed during the process of development. If a portion, or all of this duct remains a
377:
3538:
2945:
1315:
Kasper D, Fauci A, Hauser S, Longo D, Jameson J, Loscalzo J. eds. (Part 14: The
Gastrointestinal System, Chs 344,345,348,351,353,365)'
1219:
561:
380:—the use of these medications results in a structural change in the wall of the gut, namely ulcers, and potential blood in the stool.
4210:
4057:
1365:
451:
Diseases causing inflammation in the GI tract can lead to blood in the stool. Inflammation can occur anywhere along the GI tract in
1072:
can be divided into infectious and drug induced, as can the treatment for these conditions. With infectious colitis, treatment is
3955:
1042:. Anal fissures are associated with pain and blood on the toilet paper, and require time for healing. Treatment includes topical
1950:
4096:
3708:
3691:
3196:
3191:
3068:
2721:
302:
238:
230:
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3622:
2347:
2066:
104:
4161:
76:
4007:
2515:
286:
2527:
1405:
936:
Treatment of bloody stool depends largely on the cause of the bleeding. Bleeding is commonly associated with symptoms of
3916:
3435:
3043:
2135:
1585:
405:
3130:
51:
83:
3026:
2620:
2087:
1126:, which have different medical treatment regimens, and may require surgical intervention in more serious conditions.
1011:
Diagnostic measures can be used as interventions to help stop bleeding in some cases. Bleeding that occurs due to a
3496:
3425:
1115:
1034:(which work by pulling water into the stool while in the colon), addition of fiber to the diet, and use of osmotic
1003:) are frequently prescribed in order to ensure that all the materials are available for those cells that are made.
991:(RBCs). When anemia is diagnosed as a result of blood in the stool, vitamins that are important for RBC formation (
774:
745:
741:
637:
62:
47:
3769:
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3678:
3484:
3102:
2673:
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90:
4115:
3430:
3388:
3201:
3076:
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225:—and thus how much digestive action it has been exposed to—and how much there is. The term can refer either to
3033:
1019:
and clipping, surgical intervention, or other measures, depending on the form and stage of cancer. Similarly,
419:
4040:
3817:
3558:
3350:
3009:
2113:
1080:. With drug-induced colitis, treatment typically involves removal of the offending agent, as is the case in
1047:
1043:
725:
524:
769:
Hematochezia is defined as bright red blood seen in the toilet either inside of, or surrounding the stool.
72:
4120:
3844:
3827:
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3211:
3087:
3038:
2999:
2977:
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980:
573:
427:
273:
1517:
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2387:
1679:
American
Gastroenterological Association; Bharucha, AE; Dorn, SD; Lembo, A; Pressman, A (January 2013).
1093:
606:
599:
484:
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3152:
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246:
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3413:
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3403:
3320:
2885:
1861:"Beyond the stomach: An updated view of Helicobacter pylori pathogenesis, diagnosis, and treatment"
949:
721:
673:
External hemorrhoids are less likely to bleed, they are covered by a different type of epithelium (
619:
579:
384:
260:
from maternal blood based on the differences in composition of fetal hemoglobin as compared to the
367:
This list of diagnoses include diseases in which the wall of the bowel is compromised by disease.
4197:
4062:
4045:
4030:
4017:
4000:
3866:
3393:
3365:
3125:
3021:
2986:
2176:
1135:
1119:
689:
during a colonoscopy can lead to a small amount of bleeding seen in the stool after the procedure
652:
468:
456:
242:
3501:
3299:
1123:
488:
463:
452:
1058:. Treatment options for hemorrhoids can be dependent on whether an underlying cause exists. An
1023:
is treated depending on the staging, although typically requires surgical and medical therapy.
4175:
4156:
3529:
2925:
2896:
2844:
2826:
2787:
2769:
2459:
2290:
2272:
2233:
2215:
2168:
2013:
1995:
1932:
1900:
1882:
1841:
1702:
1661:
1381:
1361:
1287:
1225:
1215:
1059:
937:
762:
Melena is defined as dark, tarry stools, often black in color due to partial digestion of the
751:
496:
327:
191:
161:
4222:
4142:
4137:
4127:
3989:
3861:
3789:
3607:
3514:
3509:
3439:
3398:
3206:
3171:
2834:
2818:
2777:
2761:
2280:
2264:
2223:
2207:
2158:
2150:
2003:
1987:
1890:
1872:
1831:
1720:
1692:
1653:
1277:
1050:
and surgical interventions for chronic or complex cases. Similar to anal fissures, internal
1030:, is typically to improve the movement of waste through the GI tract. This is done by using
647:
568:
518:
257:
196:
97:
4180:
4110:
3976:
3911:
3876:
3747:
3612:
3548:
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3310:
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3135:
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852:
500:
222:
175:
135:
2937:
2589:
2549:
1627:
1489:
1459:
1434:
1181:
1156:
412:), the abnormal formation of communication between another part of the hollow GI tract (
4252:
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4217:
4132:
3659:
3524:
3459:
3455:
3345:
3315:
2839:
2806:
2782:
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2252:
2228:
2195:
2008:
1975:
1895:
1860:
1109:
1105:
1020:
988:
880:
A person's age is an important consideration when assessing the cause of the bleeding.
763:
631:
513:
400:
396:
332:
2890:
1746:
1208:
Wilson, I. Dodd (1990). Walker, H. Kenneth; Hall, W. Dallas; Hurst, J. Willis (eds.).
717:. The following tests are combined to determine the causes of the source of bleeding.
4241:
4150:
4103:
3896:
3839:
3822:
3734:
3479:
3306:
3181:
3147:
3092:
2154:
1681:"American Gastroenterological Association medical position statement on constipation"
700:
542:
534:
4025:
3937:
3810:
3713:
3664:
3649:
3644:
3640:
3553:
3378:
3294:
3186:
3176:
3142:
1039:
1027:
642:
435:
356:
234:
206:
2807:"Radiation-induced small bowel disease: latest developments and clinical guidance"
2649:
2447:
2430:
2413:
2375:
2333:
2316:
2180:
1797:
17:
1697:
1680:
1282:
1265:
4205:
3967:
3945:
3776:
3696:
3340:
3241:
2994:
2920:
2442:
2425:
2408:
2370:
2328:
2311:
2059:"What is Crohn's Disease | Causes of Crohn's | Crohn's & Colitis Foundation"
1924:
1077:
1051:
1016:
996:
848:
731:
714:
686:
529:
2901:
1991:
1607:"Crohn's Disease: Inflammatory Bowel Diseases (IBD): Merck Manual Home Edition"
3981:
3654:
3632:
3277:
3216:
1877:
1657:
1097:
961:
957:
678:
667:
657:
423:
374:—divided into either duodenal or gastric ulcers, most common causes include:
261:
2830:
2822:
2773:
2276:
2219:
1999:
1886:
1353:
1209:
1054:
can cause blood on the tissue when wiping, and be felt at the opening of the
3931:
3901:
3764:
3742:
3595:
3446:
3420:
3282:
3272:
3159:
3120:
3053:
1632:
1063:
1035:
1000:
941:
591:
492:
480:
290:
285:
The upper GI tract is defined as the organs involved in digestion above the
2848:
2791:
2765:
2172:
2017:
1936:
1904:
1845:
1836:
1819:
1706:
1665:
1561:"What are Early Symptoms of Colorectal Cancer? Watch out for Small Changes"
1291:
1229:
2294:
2237:
2031:
3565:
3543:
3255:
2163:
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1012:
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945:
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674:
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309:(black stool). Bright red blood may be seen with active, rapid bleeding.
298:
253:
171:
2873:
2268:
2211:
3617:
3383:
3287:
3259:
1644:
Chatoor D, Emmnauel A (2009). "Constipation and evacuation disorders".
1069:
756:
439:
413:
409:
294:
61:
if you can. Unsourced or poorly sourced material may be challenged and
483:—inflammation of the small intestine, which has many causes including
4083:
3701:
3587:
2750:"Progress in the understanding and treatment of chronic anal fissure"
1112:
require antibiotic treatment, and may require surgical intervention.
992:
976:
965:
663:
349:
306:
226:
210:
183:
1358:
Clinical
Methods: The History, Physical, and Laboratory Examinations
1211:
Clinical
Methods: The History, Physical, and Laboratory Examinations
670:, making them more likely to bleed, but typically do not cause pain.
2572:
Kasper D, Fauci A, Hauser S, Longo D, Jameson J, Loscalzo J. eds. '
1824:
Baillière's Best
Practice & Research. Clinical Gastroenterology
1356:. In Walker, H. Kenneth; Hall, W. Dallas; Hurst, J. Willis (eds.).
516:—the bacteria that is associated with bloody diarrhea is typically
3533:
3263:
866:
179:
2357:, National Center for Emerging and Zoonotic Infectious Diseases,
2194:
Walmsley, R.S.; Ayres, R.C.S.; Pounder, R.E.; Allan, R N (1998).
1951:"Diverticulitis: Diverticular Disease: Merck Manual Home Edition"
2512:
National
Institute of Diabetes and Digestive and Kidney Diseases
2251:
Walmsley, R S; Ayres, R.C.S.; Pounder, R E; Allan, R.N. (1998).
1055:
984:
2941:
1563:. Alexandria, Virginia: Fight Colorectal Cancer. Archived from
1264:
Cotter, Thomas G.; Buckley, Niamh S.; Loftus, Conor G. (2017).
442:
can result, leading to the potential for a source of bleeding.
26:
1460:"Lower Gastrointestinal Tract - National Library of Medicine"
1435:"Upper Gastrointestinal Tract - National Library of Medicine"
1157:"Lower Gastrointestinal Tract - National Library of Medicine"
699:
Blood in the diet, for example, the traditional diet of the
2460:"Top 10 Home Remedies for Blood in Stool - Health Species"
2136:"Review article: defining remission in ulcerative colitis"
2306:
2304:
1104:, or in serious cases, requiring surgical intervention.
1066:, however symptomatic treatment often involves removal.
2698:"Treatment Choices by Type and Stage of Stomach Cancer"
1182:"Gastrointestinal Tract - National Library of Medicine"
960:) or a slow leak of the blood leading to low levels of
58:
2722:"Constipation - Diagnosis and treatment - Mayo Clinic"
914:
Inherited/autoimmune condition, vascular malformation
229:, with a black appearance, typically originating from
2508:
National
Digestive Diseases Information Clearinghouse
2253:"A simple clinical colitis activity index: Table One"
221:
looks different depending on how early it enters the
2863:
1586:"Colon Cancer Symptoms - Colorectal Cancer Symptoms"
4196:
4082:
4075:
4016:
3930:
3887:
3733:
3724:
3677:
3631:
3586:
3472:
3359:
3249:
3236:
3111:
2985:
2976:
2911:
2867:
1974:Sagar, Jayesh; Kumar, Vikas; Shah, D K (Oct 2006).
1516:. Coloncancer.about.com. 2009-01-20. Archived from
202:
190:
151:
146:
1118:is also divided into separate conditions, namely
1859:Testerman, Traci L; Morris, James (2014-09-28).
677:) but can cause significant pain as a result of
2574:Harrison's Principles of Internal Medicine, 19e
1931:. Treasure Island (FL): StatPearls Publishing.
1317:Harrison's Principles of Internal Medicine, 19e
662:Internal hemorrhoids are covered by a layer of
237:, with a red color, typically originating from
57:Please review the contents of the article and
2953:
2748:McCallion, K.; Gardiner, K. R. (2001-12-01).
2650:"Anemia | Symptoms and Conditions | MUSC DDC"
1203:
1201:
1076:dependent, and generally requires the use of
925:Vascular malformation, liver disease, cancer
903:Inherited/autoimmune condition or structural
813:Hemorrhoids, inflammatory conditions, polyps
8:
3059:Esophagogastric junction outflow obstruction
2621:"Anemia - Symptoms and causes - Mayo Clinic"
1976:"Meckel's diverticulum: a systematic review"
1923:Linzay, Catherine D.; Pandit, Sudha (2017).
378:Non steroidal anti-inflammatory drug (NSAID)
2805:Stacey, Rhodri; Green, John T. (Jan 2014).
1266:"Approach to the Patient With Hematochezia"
824:Increased stooling, blood with every stool
4079:
3730:
3246:
3098:Esophageal intramural pseudodiverticulosis
2982:
2960:
2946:
2938:
2864:
2359:Centers for Disease Control and Prevention
2196:"A simple clinical colitis activity index"
1026:The treatment for motility issues, namely
844:Difficult to measure, mixed in with stool
416:), or blockage of the bowel (obstruction).
160:
143:
2838:
2781:
2284:
2227:
2162:
2007:
1894:
1876:
1835:
1696:
1281:
796:Examples of types of bleeding considered
1980:Journal of the Royal Society of Medicine
882:
780:
2811:Therapeutic Advances in Chronic Disease
2590:"Anemia - National Library of Medicine"
2032:"Learn the Facts About Crohn's Disease"
1147:
178:can result in partial digestion of the
2615:
2613:
2611:
2609:
2492:
2490:
2053:
2051:
1813:
1811:
1791:
1789:
1787:
1483:
1481:
1479:
1347:
1259:
1214:(3rd ed.). Boston: Butterworths.
703:includes much blood drawn from cattle.
3326:Small intestinal bacterial overgrowth
2743:
2741:
2674:"Treatment of Colon Cancer, by Stage"
2644:
2642:
2640:
2568:
2566:
2564:
2562:
2544:
2542:
2540:
2538:
2536:
2343:
2341:
1969:
1967:
1918:
1916:
1914:
1428:
1426:
1345:
1343:
1341:
1339:
1337:
1335:
1333:
1331:
1329:
1327:
1311:
1309:
1307:
1305:
1303:
1301:
1257:
1255:
1253:
1251:
1249:
1247:
1245:
1243:
1241:
1239:
1015:(cancer growth) can be treated using
7:
1820:"How do NSAIDs cause ulcer disease?"
1082:nonsteroidal anti-inflammatory drugs
830:Rapid bleeding, e.g. ulcer, varices
455:, or in the colon if a person has
25:
4211:Spontaneous bacterial peritonitis
4058:Exocrine pancreatic insufficiency
2577:New York, NY: McGraw-Hill; 2014.
2550:"Upper Gastrointestinal Bleeding"
1865:World Journal of Gastroenterology
1646:Best Pract Res Clin Gastroenterol
1490:"Upper Gastrointestinal Bleeding"
1320:New York, NY: McGraw-Hill; 2014.
681:of the blood vessels within them.
249:and chemical laboratory testing.
3956:Secondary sclerosing cholangitis
2388:"Salmonella infection: Symptoms"
2155:10.1111/j.1365-2036.2011.04701.x
1818:Wallace, J. L. (February 2000).
1559:Lenz, Heinz-Josef (2009-03-06).
1514:"What are Colon Cancer Symptoms"
123:
31:
3197:Gastric antral vascular ectasia
3192:Portal hypertensive gastropathy
3069:Gastroesophageal reflux disease
2063:www.crohnscolitisfoundation.org
1796:MD, Scott Moses (Nov 5, 2017).
1745:MD, Scott Moses (Nov 5, 2017).
847:Slow bleeding, cancer, ulcer, (
807:Occasional occurrence of blood
572:enteritis—most common cause of
303:Upper gastrointestinal bleeding
239:lower gastrointestinal bleeding
231:upper gastrointestinal bleeding
3951:Primary sclerosing cholangitis
3801:Hepatic veno-occlusive disease
3623:Solitary rectal ulcer syndrome
2474:"Esophageal varices: Symptoms"
1062:related hemorrhoids caused by
305:is typically characterized by
277:different from typical cases.
176:ascending portion of the colon
59:add the appropriate references
1:
4008:Sphincter of Oddi dysfunction
2516:National Institutes of Health
892:Types of bleeding considered
3917:Postcholecystectomy syndrome
3436:Intestinal pseudoobstruction
3044:Esophageal motility disorder
2754:Postgraduate Medical Journal
2476:. MayoClinic.com. 2010-10-30
2390:. MayoClinic.com. 2011-04-16
2116:. MayoClinic.com. 2011-08-09
1773:. MayoClinic.com. 2011-01-06
1698:10.1053/j.gastro.2012.10.029
1541:. MayoClinic.com. 2011-08-13
1283:10.1016/j.mayocp.2016.12.021
869:may also be found in stool.
245:, which is found only after
2114:"Crohn's disease: Symptoms"
1747:"Gastrointestinal Bleeding"
983:, due to the importance of
256:can be used to distinguish
44:reliable medical references
4269:
3902:Gallstone / Cholelithiasis
3426:Functional colonic disease
3222:Zollinger–Ellison syndrome
1992:10.1177/014107680609901011
1116:Inflammatory bowel disease
1096:, with the addition of an
964:in the circulating blood (
742:Esophagogastroduodenoscopy
638:Arteriovenous malformation
133:
3103:Acute esophageal necrosis
2414:Bacterial gastroenteritis
1878:10.3748/wjg.v20.i36.12781
1658:10.1016/j.bpg.2009.05.001
549:Bacterial gastroenteritis
430:that connected the fetal
168:
159:
50:or relies too heavily on
3202:Gastric dumping syndrome
3077:Laryngopharyngeal reflux
3064:Diffuse esophageal spasm
2823:10.1177/2040622313510730
2443:MedlinePlus Encyclopedia
2426:MedlinePlus Encyclopedia
2409:MedlinePlus Encyclopedia
2376:Salmonella enterocolitis
2371:MedlinePlus Encyclopedia
2329:MedlinePlus Encyclopedia
2312:MedlinePlus Encyclopedia
1771:"Peptic ulcer: Symptoms"
1539:"Colon cancer: Symptoms"
1386:phpa.health.maryland.gov
1360:. Boston: Butterworths.
1048:calcium channel blockers
134:Not to be confused with
3818:Alcoholic liver disease
3351:Bile acid malabsorption
3295:Peptic (duodenal) ulcer
2556:. Retrieved 2017-11-26.
2334:Campylobacter infection
1588:. Webmd.com. 2010-10-31
1270:Mayo Clinic Proceedings
841:Blood with every stool
726:fecal occult blood test
525:Campylobacter enteritis
491:), certain drugs (e.g.
428:omphalo-mesenteric duct
3828:Hepatic encephalopathy
3212:Buried bumper syndrome
3143:Peptic (gastric) ulcer
3027:Mallory–Weiss syndrome
2970:human digestive system
2766:10.1136/pmj.77.914.753
2143:Aliment Pharmacol Ther
1925:"Acute Diverticulitis"
1837:10.1053/bega.1999.0065
1798:"Peptic Ulcer Disease"
268:Differential diagnoses
182:and the appearance of
4053:Pancreatic pseudocyst
3922:Porcelain gallbladder
3034:Zenker's diverticulum
2528:Hemorrhoids: Symptoms
1352:Wilson, Dodd (1990).
1094:proton pump inhibitor
607:Entamoeba histolytica
600:Staphylococcus aureus
562:Clostridium difficile
485:autoimmune conditions
420:Meckel's diverticulum
318:vascular compromise.
3857:Hepatorenal syndrome
3796:Budd–Chiari syndrome
3753:Autoimmune hepatitis
3578:Intestinal adhesions
3336:Short bowel syndrome
3165:Functional dyspepsia
3083:Esophageal stricture
3049:Nutcracker esophagus
2088:"Ulcerative Colitis"
1410:www.allinahealth.org
1086:peptic ulcer disease
987:in the formation of
614:Drug-induced colitis
587:Shigella dysenteriae
555:Campylobacter jejuni
539:Salmonella enteritis
372:Peptic ulcer disease
247:physical examination
3996:Choledocholithiasis
3867:Metabolic disorders
3833:Acute liver failure
3806:Portal hypertension
3758:Alcoholic hepatitis
3601:Radiation proctitis
3520:Mesenteric ischemia
3492:Gastroenterocolitis
3321:Blind loop syndrome
3131:Ménétrier's disease
3039:Barrett's esophagus
2448:Radiation enteritis
2269:10.1136/gut.43.1.29
2212:10.1136/gut.43.1.29
2036:Crohn's and Colitis
1871:(36): 12781–12808.
950:shortness of breath
855:use can be mimics)
722:Digital rectal exam
626:Vascular compromise
620:Radiation enteritis
580:Salmonella enterica
574:travelers' diarrhea
4171:Undefined location
4162:Grynfeltt–Lesshaft
4063:Pancreatic fistula
4046:Pancreatic abscess
4001:Biliary dyskinesia
3972:Mirizzi's syndrome
3473:Large and/or small
3153:Dieulafoy's lesion
3022:Boerhaave syndrome
2912:External resources
2726:www.mayoclinic.org
2625:www.mayoclinic.org
2554:www.fpnotebook.com
2548:MD, Scott Moses,.
2502:2014-03-11 at the
2353:2017-08-30 at the
1953:. Merckmanuals.com
1802:www.fpnotebook.com
1751:www.fpnotebook.com
1609:. Merckmanuals.com
1494:www.fpnotebook.com
1136:Fecal occult blood
1120:ulcerative colitis
1007:Specific treatment
653:Esophageal varices
508:Infectious colitis
469:Ulcerative colitis
457:ulcerative colitis
447:Inflammatory bowel
289:and comprises the
287:ligament of Treitz
243:fecal occult blood
18:Blood in the stool
4235:
4234:
4231:
4230:
4071:
4070:
3673:
3672:
3530:Bowel obstruction
3232:
3231:
2935:
2934:
2462:. 9 January 2023.
2431:E. coli enteritis
1488:MD, Scott Moses.
1406:"Apt-Downey test"
1084:(NSAIDs) induced
1060:anorectal varices
929:
928:
859:
858:
752:Capsule endoscopy
497:radiation therapy
328:Colorectal cancer
264:found in adults.
216:
215:
141:Medical condition
132:
131:
108:
16:(Redirected from
4260:
4223:Pneumoperitoneum
4080:
3990:Common bile duct
3872:Wilson's disease
3862:Peliosis hepatis
3731:
3608:Proctalgia fugax
3515:Abdominal angina
3440:Ogilvie syndrome
3389:Pseudomembranous
3247:
3207:Gastric volvulus
3172:Pyloric stenosis
2983:
2968:Diseases of the
2962:
2955:
2948:
2939:
2865:
2853:
2852:
2842:
2802:
2796:
2795:
2785:
2760:(914): 753–758.
2745:
2736:
2735:
2733:
2732:
2718:
2712:
2711:
2709:
2708:
2694:
2688:
2687:
2685:
2684:
2670:
2664:
2663:
2661:
2660:
2646:
2635:
2634:
2632:
2631:
2617:
2604:
2603:
2601:
2600:
2585:
2579:
2570:
2557:
2546:
2531:
2525:
2519:
2494:
2485:
2484:
2482:
2481:
2470:
2464:
2463:
2456:
2450:
2439:
2433:
2422:
2416:
2405:
2399:
2398:
2396:
2395:
2384:
2378:
2367:
2361:
2345:
2336:
2325:
2319:
2308:
2299:
2298:
2288:
2248:
2242:
2241:
2231:
2191:
2185:
2184:
2166:
2140:
2131:
2125:
2124:
2122:
2121:
2110:
2104:
2103:
2101:
2099:
2094:. September 2014
2084:
2078:
2077:
2075:
2074:
2065:. Archived from
2055:
2046:
2045:
2043:
2042:
2028:
2022:
2021:
2011:
1971:
1962:
1961:
1959:
1958:
1947:
1941:
1940:
1920:
1909:
1908:
1898:
1880:
1856:
1850:
1849:
1839:
1815:
1806:
1805:
1793:
1782:
1781:
1779:
1778:
1767:
1761:
1760:
1758:
1757:
1742:
1736:
1735:
1733:
1732:
1717:
1711:
1710:
1700:
1685:Gastroenterology
1676:
1670:
1669:
1641:
1635:
1624:
1618:
1617:
1615:
1614:
1603:
1597:
1596:
1594:
1593:
1582:
1576:
1575:
1573:
1572:
1556:
1550:
1549:
1547:
1546:
1535:
1529:
1528:
1526:
1525:
1510:
1504:
1503:
1501:
1500:
1485:
1474:
1473:
1471:
1470:
1455:
1449:
1448:
1446:
1445:
1430:
1421:
1420:
1418:
1417:
1402:
1396:
1395:
1393:
1392:
1378:
1372:
1371:
1349:
1322:
1313:
1296:
1295:
1285:
1261:
1234:
1233:
1205:
1196:
1195:
1193:
1192:
1177:
1171:
1170:
1168:
1167:
1152:
883:
781:
648:Anal intercourse
569:Escherichia coli
339:Gut wall changes
258:fetal hemoglobin
252:In infants, the
197:Gastroenterology
164:
144:
127:
126:
118:
115:
109:
107:
73:"Blood in stool"
66:
35:
34:
27:
21:
4268:
4267:
4263:
4262:
4261:
4259:
4258:
4257:
4238:
4237:
4236:
4227:
4192:
4181:Internal hernia
4067:
4012:
3977:Biliary fistula
3935:
3926:
3912:Adenomyomatosis
3907:Cholesterolosis
3883:
3877:Hemochromatosis
3748:Viral hepatitis
3720:
3669:
3627:
3613:Rectal prolapse
3582:
3549:Fecal impaction
3539:Intussusception
3502:Crohn's disease
3468:
3451:Toxic megacolon
3363:
3361:Large intestine
3355:
3300:Curling's ulcer
3253:
3251:Small intestine
3240:
3228:
3136:Gastroenteritis
3107:
2972:
2966:
2936:
2931:
2930:
2907:
2906:
2876:
2862:
2857:
2856:
2804:
2803:
2799:
2747:
2746:
2739:
2730:
2728:
2720:
2719:
2715:
2706:
2704:
2696:
2695:
2691:
2682:
2680:
2672:
2671:
2667:
2658:
2656:
2648:
2647:
2638:
2629:
2627:
2619:
2618:
2607:
2598:
2596:
2587:
2586:
2582:
2571:
2560:
2547:
2534:
2526:
2522:
2504:Wayback Machine
2495:
2488:
2479:
2477:
2472:
2471:
2467:
2458:
2457:
2453:
2440:
2436:
2423:
2419:
2406:
2402:
2393:
2391:
2386:
2385:
2381:
2368:
2364:
2355:Wayback Machine
2346:
2339:
2326:
2322:
2309:
2302:
2250:
2249:
2245:
2193:
2192:
2188:
2138:
2133:
2132:
2128:
2119:
2117:
2112:
2111:
2107:
2097:
2095:
2086:
2085:
2081:
2072:
2070:
2057:
2056:
2049:
2040:
2038:
2030:
2029:
2025:
1986:(10): 501–505.
1973:
1972:
1965:
1956:
1954:
1949:
1948:
1944:
1922:
1921:
1912:
1858:
1857:
1853:
1817:
1816:
1809:
1795:
1794:
1785:
1776:
1774:
1769:
1768:
1764:
1755:
1753:
1744:
1743:
1739:
1730:
1728:
1721:"Complications"
1719:
1718:
1714:
1678:
1677:
1673:
1643:
1642:
1638:
1625:
1621:
1612:
1610:
1605:
1604:
1600:
1591:
1589:
1584:
1583:
1579:
1570:
1568:
1558:
1557:
1553:
1544:
1542:
1537:
1536:
1532:
1523:
1521:
1512:
1511:
1507:
1498:
1496:
1487:
1486:
1477:
1468:
1466:
1457:
1456:
1452:
1443:
1441:
1432:
1431:
1424:
1415:
1413:
1404:
1403:
1399:
1390:
1388:
1380:
1379:
1375:
1368:
1351:
1350:
1325:
1314:
1299:
1263:
1262:
1237:
1222:
1207:
1206:
1199:
1190:
1188:
1179:
1178:
1174:
1165:
1163:
1154:
1153:
1149:
1144:
1132:
1124:Crohn's disease
1101:
1032:stool softeners
1009:
989:red blood cells
981:iron deficiency
974:
934:
878:
864:
835:Dark red/black
764:red blood cells
710:
696:
634:of the GI tract
628:
616:
510:
501:Coeliac disease
489:Crohn's disease
477:
464:Crohn's disease
453:Crohn's disease
449:
426:remnant of the
391:Chronic disease
365:
352:(anal fissure)
346:
341:
324:
315:
313:Pathophysiology
283:
270:
223:digestive tract
155:Rectal Bleeding
142:
139:
136:rectal bleeding
128:
124:
119:
113:
110:
67:
56:
52:primary sources
36:
32:
23:
22:
15:
12:
11:
5:
4266:
4264:
4256:
4255:
4250:
4240:
4239:
4233:
4232:
4229:
4228:
4226:
4225:
4220:
4218:Hemoperitoneum
4215:
4214:
4213:
4202:
4200:
4194:
4193:
4191:
4190:
4189:
4188:
4183:
4178:
4167:
4166:
4165:
4164:
4159:
4146:
4145:
4140:
4135:
4130:
4125:
4124:
4123:
4118:
4107:
4106:
4101:
4100:
4099:
4088:
4086:
4077:
4073:
4072:
4069:
4068:
4066:
4065:
4060:
4055:
4050:
4049:
4048:
4043:
4038:
4033:
4022:
4020:
4014:
4013:
4011:
4010:
4005:
4004:
4003:
3998:
3985:
3984:
3979:
3974:
3965:
3964:
3963:
3958:
3953:
3942:
3940:
3928:
3927:
3925:
3924:
3919:
3914:
3909:
3904:
3899:
3893:
3891:
3885:
3884:
3882:
3881:
3880:
3879:
3874:
3864:
3859:
3854:
3853:
3852:
3847:
3837:
3836:
3835:
3830:
3820:
3815:
3814:
3813:
3808:
3803:
3798:
3786:
3785:
3784:
3774:
3773:
3772:
3762:
3761:
3760:
3755:
3750:
3739:
3737:
3728:
3722:
3721:
3719:
3718:
3717:
3716:
3706:
3705:
3704:
3699:
3689:
3687:Blood in stool
3683:
3681:
3675:
3674:
3671:
3670:
3668:
3667:
3662:
3660:Anal dysplasia
3657:
3652:
3647:
3637:
3635:
3629:
3628:
3626:
3625:
3620:
3615:
3610:
3605:
3604:
3603:
3592:
3590:
3584:
3583:
3581:
3580:
3575:
3574:
3573:
3563:
3562:
3561:
3551:
3546:
3541:
3536:
3527:
3525:Angiodysplasia
3522:
3517:
3506:
3505:
3504:
3494:
3489:
3488:
3487:
3476:
3474:
3470:
3469:
3467:
3466:
3460:Diverticulosis
3456:Diverticulitis
3453:
3444:
3443:
3442:
3433:
3423:
3418:
3417:
3416:
3411:
3406:
3401:
3396:
3391:
3381:
3375:
3373:
3357:
3356:
3354:
3353:
3348:
3346:Milroy disease
3343:
3338:
3333:
3328:
3323:
3318:
3316:Tropical sprue
3313:
3304:
3303:
3302:
3292:
3291:
3290:
3285:
3280:
3269:
3267:
3244:
3238:Lower GI tract
3234:
3233:
3230:
3229:
3227:
3226:
3225:
3224:
3214:
3209:
3204:
3199:
3194:
3189:
3184:
3179:
3174:
3169:
3168:
3167:
3157:
3156:
3155:
3150:
3140:
3139:
3138:
3133:
3128:
3117:
3115:
3109:
3108:
3106:
3105:
3100:
3095:
3090:
3085:
3080:
3074:
3073:
3072:
3066:
3061:
3056:
3051:
3041:
3036:
3031:
3030:
3029:
3024:
3014:
3013:
3012:
3007:
3002:
2991:
2989:
2980:
2978:Upper GI tract
2974:
2973:
2967:
2965:
2964:
2957:
2950:
2942:
2933:
2932:
2929:
2928:
2916:
2915:
2913:
2909:
2908:
2905:
2904:
2893:
2877:
2872:
2871:
2869:
2868:Classification
2861:
2860:External links
2858:
2855:
2854:
2797:
2737:
2713:
2702:www.cancer.org
2689:
2678:www.cancer.org
2665:
2636:
2605:
2580:
2558:
2532:
2530:, Mayo Clinic.
2520:
2486:
2465:
2451:
2434:
2417:
2400:
2379:
2362:
2337:
2320:
2300:
2243:
2186:
2126:
2105:
2079:
2047:
2023:
1963:
1942:
1910:
1851:
1830:(1): 147–159.
1807:
1783:
1762:
1737:
1712:
1671:
1636:
1628:Gastric Cancer
1619:
1598:
1577:
1551:
1530:
1505:
1475:
1450:
1422:
1412:. Mar 29, 2016
1397:
1382:"Hemoglobin F"
1373:
1366:
1323:
1297:
1276:(5): 797–804.
1235:
1221:978-0409900774
1220:
1197:
1172:
1146:
1145:
1143:
1140:
1139:
1138:
1131:
1128:
1110:diverticulosis
1106:Diverticulitis
1099:
1021:stomach cancer
1008:
1005:
973:
970:
933:
930:
927:
926:
923:
920:
916:
915:
912:
909:
905:
904:
901:
898:
894:
893:
890:
887:
877:
874:
863:
862:Other features
860:
857:
856:
845:
842:
839:
836:
832:
831:
828:
825:
822:
819:
815:
814:
811:
808:
805:
802:
798:
797:
794:
791:
788:
785:
760:
759:
754:
749:
739:
734:
729:
709:
706:
705:
704:
695:
692:
691:
690:
684:
683:
682:
671:
655:
650:
645:
640:
635:
632:Angiodysplasia
627:
624:
623:
622:
615:
612:
611:
610:
603:
596:
595:
594:
583:
576:
565:
558:
546:
532:
527:
522:
514:Food poisoning
509:
506:
505:
504:
476:
473:
472:
471:
466:
448:
445:
444:
443:
417:
401:diverticulosis
397:Diverticulitis
394:
393:
392:
389:
381:
364:
361:
360:
359:
345:
342:
340:
337:
336:
335:
333:Gastric cancer
330:
323:
320:
314:
311:
282:
281:Upper GI tract
279:
269:
266:
219:Blood in stool
214:
213:
204:
200:
199:
194:
188:
187:
166:
165:
157:
156:
153:
149:
148:
147:Blood in stool
140:
130:
129:
122:
120:
39:
37:
30:
24:
14:
13:
10:
9:
6:
4:
3:
2:
4265:
4254:
4251:
4249:
4246:
4245:
4243:
4224:
4221:
4219:
4216:
4212:
4209:
4208:
4207:
4204:
4203:
4201:
4199:
4195:
4187:
4184:
4182:
4179:
4177:
4174:
4173:
4172:
4169:
4168:
4163:
4160:
4158:
4155:
4154:
4153:
4152:
4148:
4147:
4144:
4141:
4139:
4136:
4134:
4131:
4129:
4126:
4122:
4119:
4117:
4114:
4113:
4112:
4109:
4108:
4105:
4102:
4098:
4095:
4094:
4093:
4092:Diaphragmatic
4090:
4089:
4087:
4085:
4081:
4078:
4074:
4064:
4061:
4059:
4056:
4054:
4051:
4047:
4044:
4042:
4039:
4037:
4034:
4032:
4029:
4028:
4027:
4024:
4023:
4021:
4019:
4015:
4009:
4006:
4002:
3999:
3997:
3994:
3993:
3992:
3991:
3987:
3986:
3983:
3980:
3978:
3975:
3973:
3969:
3966:
3962:
3959:
3957:
3954:
3952:
3949:
3948:
3947:
3944:
3943:
3941:
3939:
3933:
3929:
3923:
3920:
3918:
3915:
3913:
3910:
3908:
3905:
3903:
3900:
3898:
3897:Cholecystitis
3895:
3894:
3892:
3890:
3886:
3878:
3875:
3873:
3870:
3869:
3868:
3865:
3863:
3860:
3858:
3855:
3851:
3848:
3846:
3843:
3842:
3841:
3840:Liver abscess
3838:
3834:
3831:
3829:
3826:
3825:
3824:
3823:Liver failure
3821:
3819:
3816:
3812:
3809:
3807:
3804:
3802:
3799:
3797:
3794:
3793:
3792:
3791:
3787:
3783:
3780:
3779:
3778:
3775:
3771:
3768:
3767:
3766:
3763:
3759:
3756:
3754:
3751:
3749:
3746:
3745:
3744:
3741:
3740:
3738:
3736:
3732:
3729:
3727:
3723:
3715:
3712:
3711:
3710:
3707:
3703:
3700:
3698:
3695:
3694:
3693:
3690:
3688:
3685:
3684:
3682:
3680:
3676:
3666:
3663:
3661:
3658:
3656:
3653:
3651:
3648:
3646:
3642:
3639:
3638:
3636:
3634:
3630:
3624:
3621:
3619:
3616:
3614:
3611:
3609:
3606:
3602:
3599:
3598:
3597:
3594:
3593:
3591:
3589:
3585:
3579:
3576:
3572:
3569:
3568:
3567:
3564:
3560:
3557:
3556:
3555:
3552:
3550:
3547:
3545:
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3540:
3537:
3535:
3531:
3528:
3526:
3523:
3521:
3518:
3516:
3512:
3511:
3507:
3503:
3500:
3499:
3498:
3495:
3493:
3490:
3486:
3483:
3482:
3481:
3480:Enterocolitis
3478:
3477:
3475:
3471:
3465:
3461:
3457:
3454:
3452:
3448:
3445:
3441:
3437:
3434:
3432:
3429:
3428:
3427:
3424:
3422:
3419:
3415:
3412:
3410:
3407:
3405:
3402:
3400:
3397:
3395:
3392:
3390:
3387:
3386:
3385:
3382:
3380:
3377:
3376:
3374:
3371:
3367:
3362:
3358:
3352:
3349:
3347:
3344:
3342:
3339:
3337:
3334:
3332:
3329:
3327:
3324:
3322:
3319:
3317:
3314:
3312:
3308:
3307:Malabsorption
3305:
3301:
3298:
3297:
3296:
3293:
3289:
3286:
3284:
3281:
3279:
3276:
3275:
3274:
3271:
3270:
3268:
3265:
3261:
3257:
3252:
3248:
3245:
3243:
3239:
3235:
3223:
3220:
3219:
3218:
3215:
3213:
3210:
3208:
3205:
3203:
3200:
3198:
3195:
3193:
3190:
3188:
3185:
3183:
3182:Gastroparesis
3180:
3178:
3175:
3173:
3170:
3166:
3163:
3162:
3161:
3158:
3154:
3151:
3149:
3148:Cushing ulcer
3146:
3145:
3144:
3141:
3137:
3134:
3132:
3129:
3127:
3124:
3123:
3122:
3119:
3118:
3116:
3114:
3110:
3104:
3101:
3099:
3096:
3094:
3093:Megaesophagus
3091:
3089:
3086:
3084:
3081:
3078:
3075:
3070:
3067:
3065:
3062:
3060:
3057:
3055:
3052:
3050:
3047:
3046:
3045:
3042:
3040:
3037:
3035:
3032:
3028:
3025:
3023:
3020:
3019:
3018:
3015:
3011:
3008:
3006:
3003:
3001:
2998:
2997:
2996:
2993:
2992:
2990:
2988:
2984:
2981:
2979:
2975:
2971:
2963:
2958:
2956:
2951:
2949:
2944:
2943:
2940:
2927:
2923:
2922:
2918:
2917:
2914:
2910:
2903:
2899:
2898:
2894:
2892:
2888:
2887:
2883:
2879:
2878:
2875:
2870:
2866:
2859:
2850:
2846:
2841:
2836:
2832:
2828:
2824:
2820:
2816:
2812:
2808:
2801:
2798:
2793:
2789:
2784:
2779:
2775:
2771:
2767:
2763:
2759:
2755:
2751:
2744:
2742:
2738:
2727:
2723:
2717:
2714:
2703:
2699:
2693:
2690:
2679:
2675:
2669:
2666:
2655:
2651:
2645:
2643:
2641:
2637:
2626:
2622:
2616:
2614:
2612:
2610:
2606:
2595:
2594:PubMed Health
2591:
2584:
2581:
2578:
2576:
2569:
2567:
2565:
2563:
2559:
2555:
2551:
2545:
2543:
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2533:
2529:
2524:
2521:
2517:
2513:
2509:
2505:
2501:
2498:
2493:
2491:
2487:
2475:
2469:
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2461:
2455:
2452:
2449:
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2444:
2438:
2435:
2432:
2428:
2427:
2421:
2418:
2415:
2411:
2410:
2404:
2401:
2389:
2383:
2380:
2377:
2373:
2372:
2366:
2363:
2360:
2356:
2352:
2349:
2344:
2342:
2338:
2335:
2331:
2330:
2324:
2321:
2318:
2314:
2313:
2307:
2305:
2301:
2296:
2292:
2287:
2282:
2278:
2274:
2270:
2266:
2262:
2258:
2254:
2247:
2244:
2239:
2235:
2230:
2225:
2221:
2217:
2213:
2209:
2205:
2201:
2197:
2190:
2187:
2182:
2178:
2174:
2170:
2165:
2164:2027.42/87130
2160:
2156:
2152:
2149:(2): 113–24.
2148:
2144:
2137:
2130:
2127:
2115:
2109:
2106:
2093:
2089:
2083:
2080:
2069:on 2017-12-06
2068:
2064:
2060:
2054:
2052:
2048:
2037:
2033:
2027:
2024:
2019:
2015:
2010:
2005:
2001:
1997:
1993:
1989:
1985:
1981:
1977:
1970:
1968:
1964:
1952:
1946:
1943:
1938:
1934:
1930:
1926:
1919:
1917:
1915:
1911:
1906:
1902:
1897:
1892:
1888:
1884:
1879:
1874:
1870:
1866:
1862:
1855:
1852:
1847:
1843:
1838:
1833:
1829:
1825:
1821:
1814:
1812:
1808:
1803:
1799:
1792:
1790:
1788:
1784:
1772:
1766:
1763:
1752:
1748:
1741:
1738:
1726:
1722:
1716:
1713:
1708:
1704:
1699:
1694:
1691:(1): 211–17.
1690:
1686:
1682:
1675:
1672:
1667:
1663:
1659:
1655:
1652:(4): 517–30.
1651:
1647:
1640:
1637:
1634:
1630:
1629:
1623:
1620:
1608:
1602:
1599:
1587:
1581:
1578:
1567:on 2009-03-10
1566:
1562:
1555:
1552:
1540:
1534:
1531:
1520:on 2012-01-01
1519:
1515:
1509:
1506:
1495:
1491:
1484:
1482:
1480:
1476:
1465:
1464:PubMed Health
1461:
1454:
1451:
1440:
1439:PubMed Health
1436:
1429:
1427:
1423:
1411:
1407:
1401:
1398:
1387:
1383:
1377:
1374:
1369:
1367:9780409900774
1363:
1359:
1355:
1348:
1346:
1344:
1342:
1340:
1338:
1336:
1334:
1332:
1330:
1328:
1324:
1321:
1319:
1312:
1310:
1308:
1306:
1304:
1302:
1298:
1293:
1289:
1284:
1279:
1275:
1271:
1267:
1260:
1258:
1256:
1254:
1252:
1250:
1248:
1246:
1244:
1242:
1240:
1236:
1231:
1227:
1223:
1217:
1213:
1212:
1204:
1202:
1198:
1187:
1186:PubMed Health
1183:
1176:
1173:
1162:
1161:PubMed Health
1158:
1151:
1148:
1141:
1137:
1134:
1133:
1129:
1127:
1125:
1121:
1117:
1113:
1111:
1107:
1103:
1095:
1089:
1087:
1083:
1079:
1075:
1071:
1067:
1065:
1061:
1057:
1053:
1049:
1045:
1041:
1040:anal fissures
1037:
1033:
1029:
1024:
1022:
1018:
1014:
1006:
1004:
1002:
998:
994:
990:
986:
982:
978:
971:
969:
967:
963:
959:
955:
951:
947:
943:
939:
931:
924:
921:
919:>60 years
918:
917:
913:
910:
907:
906:
902:
899:
897:<20 years
896:
895:
891:
888:
885:
884:
881:
875:
873:
870:
868:
861:
854:
850:
846:
843:
840:
837:
834:
833:
829:
826:
823:
821:Hematochezia
820:
817:
816:
812:
809:
806:
804:Hematochezia
803:
800:
799:
795:
792:
789:
787:Medical term
786:
783:
782:
779:
776:
770:
767:
765:
758:
755:
753:
750:
747:
743:
740:
738:
735:
733:
730:
727:
723:
720:
719:
718:
716:
707:
702:
698:
697:
693:
688:
685:
680:
676:
672:
669:
665:
661:
660:
659:
656:
654:
651:
649:
646:
644:
641:
639:
636:
633:
630:
629:
625:
621:
618:
617:
613:
609:
608:
604:
602:
601:
597:
593:
589:
588:
584:
582:
581:
577:
575:
571:
570:
566:
564:
563:
559:
557:
556:
552:
551:
550:
547:
544:
543:enterocolitis
540:
536:
535:Salmonellosis
533:
531:
528:
526:
523:
521:
520:
515:
512:
511:
507:
502:
498:
494:
490:
486:
482:
479:
478:
474:
470:
467:
465:
462:
461:
460:
458:
454:
446:
441:
437:
433:
429:
425:
421:
418:
415:
411:
407:
402:
398:
395:
390:
387:
386:
382:
379:
376:
375:
373:
370:
369:
368:
362:
358:
355:
354:
353:
351:
343:
338:
334:
331:
329:
326:
325:
321:
319:
312:
310:
308:
304:
300:
296:
292:
288:
280:
278:
275:
267:
265:
263:
259:
255:
250:
248:
244:
240:
236:
232:
228:
224:
220:
212:
208:
205:
201:
198:
195:
193:
189:
186:in the stool.
185:
181:
177:
173:
167:
163:
158:
154:
150:
145:
137:
121:
117:
106:
103:
99:
96:
92:
89:
85:
82:
78:
75: –
74:
70:
69:Find sources:
64:
60:
54:
53:
49:
45:
40:This article
38:
29:
28:
19:
4170:
4149:
4026:Pancreatitis
3988:
3938:biliary tree
3811:Nutmeg liver
3788:
3714:Hematochezia
3686:
3665:Pruritus ani
3650:Anal abscess
3645:Anal fistula
3641:Anal fissure
3554:Constipation
3508:
3379:Appendicitis
3187:Gastroptosis
3177:Achlorhydria
3016:
3005:Eosinophilic
2919:
2895:
2880:
2817:(1): 15–29.
2814:
2810:
2800:
2757:
2753:
2729:. Retrieved
2725:
2716:
2705:. Retrieved
2701:
2692:
2681:. Retrieved
2677:
2668:
2657:. Retrieved
2654:ddc.musc.edu
2653:
2628:. Retrieved
2624:
2597:. Retrieved
2593:
2583:
2575:
2573:
2553:
2523:
2478:. Retrieved
2468:
2454:
2441:
2437:
2424:
2420:
2407:
2403:
2392:. Retrieved
2382:
2369:
2365:
2327:
2323:
2310:
2263:(1): 29–32.
2260:
2256:
2246:
2206:(1): 29–32.
2203:
2199:
2189:
2146:
2142:
2129:
2118:. Retrieved
2108:
2096:. Retrieved
2091:
2082:
2071:. Retrieved
2067:the original
2062:
2039:. Retrieved
2035:
2026:
1983:
1979:
1955:. Retrieved
1945:
1928:
1868:
1864:
1854:
1827:
1823:
1801:
1775:. Retrieved
1765:
1754:. Retrieved
1750:
1740:
1729:. Retrieved
1727:. 2017-10-20
1724:
1715:
1688:
1684:
1674:
1649:
1645:
1639:
1626:
1622:
1611:. Retrieved
1601:
1590:. Retrieved
1580:
1569:. Retrieved
1565:the original
1554:
1543:. Retrieved
1533:
1522:. Retrieved
1518:the original
1508:
1497:. Retrieved
1493:
1467:. Retrieved
1463:
1453:
1442:. Retrieved
1438:
1414:. Retrieved
1409:
1400:
1389:. Retrieved
1385:
1376:
1357:
1318:
1316:
1273:
1269:
1210:
1189:. Retrieved
1185:
1175:
1164:. Retrieved
1160:
1150:
1114:
1090:
1068:
1028:constipation
1025:
1010:
975:
935:
911:Middle aged
908:20–60 years
879:
871:
865:
771:
768:
761:
711:
694:Other causes
643:Anal fissure
605:
598:
585:
578:
567:
560:
553:
541:/Salmonella
517:
450:
436:diverticulum
383:
366:
357:Constipation
347:
316:
284:
271:
251:
235:hematochezia
218:
217:
207:Hematochezia
111:
101:
94:
87:
80:
68:
48:verification
41:
4206:Peritonitis
3968:Cholestasis
3946:Cholangitis
3889:Gallbladder
3777:Fatty liver
3697:Hematemesis
3679:GI bleeding
3485:Necrotizing
3414:Lymphocytic
3409:Collagenous
3404:Microscopic
3341:Steatorrhea
3242:Enteropathy
3088:Inlet patch
3010:Herpetiform
2995:Esophagitis
2921:MedlinePlus
2497:Hemorrhoids
2348:Shigellosis
1078:antibiotics
1052:hemorrhoids
1017:colonoscopy
997:vitamin B12
876:Patient age
849:peptobismol
818:Bright red
801:Bright red
732:Colonoscopy
715:vital signs
687:Polypectomy
658:Hemorrhoids
530:Shigellosis
406:perforation
152:Other names
42:needs more
4242:Categories
4198:Peritoneal
4176:Incisional
4097:Congenital
4041:Hereditary
4018:Pancreatic
3982:Haemobilia
3655:Hemorrhoid
3633:Anal canal
3571:Infectious
3559:Functional
3394:Ulcerative
3278:Duodenitis
3217:Gastrinoma
2897:DiseasesDB
2731:2017-12-09
2707:2017-12-09
2683:2017-12-09
2659:2017-12-07
2630:2017-12-09
2599:2017-12-09
2480:2012-01-31
2394:2012-01-31
2145:(Review).
2120:2012-01-31
2073:2017-12-06
2041:2017-12-06
1957:2012-01-31
1929:StatPearls
1777:2012-01-31
1756:2017-11-26
1731:2017-12-06
1687:(Review).
1613:2012-01-31
1592:2012-01-31
1571:2013-02-23
1545:2012-01-31
1524:2012-01-31
1499:2017-11-26
1469:2017-11-25
1444:2017-11-25
1416:2017-12-06
1391:2017-12-06
1191:2017-12-02
1166:2017-12-02
1142:References
962:hemoglobin
958:hemorrhage
948:, or even
900:Pediatric
790:Frequency
724:(DRE) and
679:thrombosis
668:epithelium
424:congenital
363:Structural
262:hemoglobin
114:April 2017
84:newspapers
4186:Richter's
4143:Spigelian
4138:Obturator
4128:Umbilical
3961:Ascending
3932:Bile duct
3765:Cirrhosis
3743:Hepatitis
3726:Accessory
3596:Proctitis
3447:Megacolon
3421:Dysentery
3331:Whipple's
3283:Jejunitis
3273:Enteritis
3160:Dyspepsia
3121:Gastritis
3054:Achalasia
2987:Esophagus
2831:2040-6223
2774:0032-5473
2317:Enteritis
2277:0017-5749
2220:0017-5749
2000:0141-0768
1887:1007-9327
1633:eMedicine
1064:cirrhosis
1036:laxatives
1001:vitamin C
946:headaches
942:dizziness
932:Treatment
793:Quantity
708:Diagnosis
592:dysentery
590:see also
493:ibuprofen
481:Enteritis
385:H. pylori
291:esophagus
192:Specialty
174:from the
4116:Indirect
4111:Inguinal
3845:Pyogenic
3790:Vascular
3566:Diarrhea
3544:Volvulus
3510:Vascular
3449: /
3438: /
3399:Ischemic
3366:Appendix
3256:Duodenum
3126:Atrophic
3000:Candidal
2849:24381725
2792:11723312
2588:pmhdev.
2500:Archived
2351:Archived
2173:21615435
2018:17021300
1937:29083630
1905:25278678
1846:10749095
1707:23261064
1666:19647687
1458:pmhdev.
1433:pmhdev.
1292:28473039
1230:21250251
1180:pmhdev.
1155:pmhdev.
1130:See also
1074:pathogen
1044:nitrates
1013:neoplasm
954:vascular
922:Elderly
737:Anoscopy
675:squamous
432:yolk sac
344:Motility
299:duodenum
274:GI tract
254:Apt test
233:; or to
172:bleeding
4157:Petit's
4133:Femoral
4036:Chronic
3850:Amoebic
3618:Anismus
3384:Colitis
3311:Coeliac
3288:Ileitis
3260:Jejunum
3113:Stomach
3017:Rupture
2840:3871275
2783:1742193
2295:9771402
2286:1727189
2238:9771402
2229:1727189
2009:1592061
1896:4177463
1102:blocker
1070:Colitis
938:fatigue
838:Melena
757:CT Scan
519:E. coli
475:Colitis
440:fistula
414:fistula
410:abscess
295:stomach
98:scholar
63:removed
4151:Lumbar
4121:Direct
4104:Hiatus
4084:Hernia
3936:Other
3702:Melena
3588:Rectum
3071:(GERD)
2926:003130
2847:
2837:
2829:
2790:
2780:
2772:
2293:
2283:
2275:
2236:
2226:
2218:
2181:139549
2179:
2171:
2098:Dec 6,
2016:
2006:
1998:
1935:
1903:
1893:
1885:
1844:
1725:nhs.uk
1705:
1664:
1364:
1290:
1228:
1218:
999:, and
993:folate
977:Anemia
972:Anemia
966:anemia
889:Group
827:Large
810:Small
784:Color
728:(FOBT)
701:Maasai
664:mucosa
499:, and
487:(e.g.
350:rectum
322:Cancer
307:melena
297:, and
227:melena
211:melena
184:melena
100:
93:
86:
79:
71:
4253:Blood
4248:Feces
4076:Other
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