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The term covers a wide range of symptoms, including dyspepsia, nausea and vomiting, regurgitation, and the sensation of having a lump in the ... The black color of melena is caused by blood that has been exposed for several hours to stomach acid and enzymes and to bacteria that normally reside in the large intestine.
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www.merck.com/mmhe/sec09/ch119/ch119b.html
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If the tumour obstructs the food passage then vomiting may occur. Sometimes tumours can cause obstruction to the outlet of the stomach, and bringing up large volumes of undigested food long after eating is a characteristic symptom of this state ... There may be internal bleeding appearing as blood in the vomit, or black,
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www.netdoctor.co.uk/diseases/facts/stomachcancer.htm
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Several of the herbals that you have posted about can induce vomiting and when you combine that with doses of aspirin, you get GI bleeding and "black vomit".
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www.thathomesite.com/forums/load/health/msg030855242775...
www.thathomesite.com/forums/load/health/msg0308552427758.html?5
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This page provides free information about Black vomit ... Black vomit \Black" vom"it\ (Med.) A copious vomiting of dark-colored matter; or the substance so discharged; -- one of the most fatal symptoms in yellow fever. [1913 Webster] Black wash...
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www.wkonline.com/d/Black_vomit.html
www.wkonline.com/d/Black_vomit.html
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If the stool has a mucus-like appearance and was tarry or black in color, it signifies that there could be bleeding occuring in the upper digestive tract, large intestine or could possibly be a type of colitis. ... First she passed blood and was vomiting then she got an intestinal blockage. The vet said that when a dog...
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answers.yahoo.com/question/index?qid=20080719212205AAZx...
answers.yahoo.com/question/index?qid=20080719212205AAZxc1M
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You vomit material that is bloody or black like coffee grounds. ... Are you vomiting blood or black material? ... Do you have black, tarry stools?
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www.umm.edu/ency/article/003114trt.htm
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By the end of the day, I was vomiting a thick, slimey black substance. It was very violent vomiting, and I had eaten nothing dark in color that day. Since Saturday evening, I have not vomited anymore. However, I have not been able to eat normally and continue to feel extremely nauseous, tired, headachey and weak.
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boards.webmd.com/webx?THD@@.89af8e4a!thdchild=.89af8e4a...
boards.webmd.com/webx?THD@@.89af8e4a!thdchild=.89af8e4a/0
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Depending on the concentration of bilirubin, bile can vary from almost black to light yellow in color. ... Stool Color & Texture Changes (Black, Red, Maroon, Green, Yellow, Gray, Tarry, Sticky) ... nausea, and vomiting...
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www.medicinenet.com/stool_color/article.htm
www.medicinenet.com/stool_color/article.htm
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If the black color is from blood, it is known as "melena." The dark color indicates that the blood has been in the body for some time, ... The blood could be caused by several different conditions including a bleeding ulcer, gastritis, esophageal varices or a tear in the esophagus from violent vomiting (Mallory-Weiss tear).
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ibdcrohns.about.com/cs/otherdiseases/a/blackstool.htm
ibdcrohns.about.com/cs/otherdiseases/a/blackstool.htm
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