Digestive Disorders / Gastroenterology Expert Forum
Stool color
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Stool color


  : : I am a 42y/o male.  About 5 days ago, I noticed that my stool
  : : was a reddish brown color, not streaked, but throughout. It was
  : : not as dark as burgundy. The 24 hrs before that I had consummed
  : : pasta with lots of tomato sauce, and a slice of pizza.  I should
  : : also mention that I had just started taking Biaxin (500mg) and
  : : Metromidazole (500mg)for H Pylori eradication. I also saw "pieces"
  : : of what appeared to be the tomato/onion in the stool.
  : : I avoided red food/drink items for 3 days after that, and my
  : : stools returned to normal color.  I again consumed sauce in the
  : : past 24hrs, and have had 1 movement which was normal color.
  : : My question:  Could the food and/or meds just starting up have
  : : caused this change in color?  I had a barium enema Xray in 1991
  : : and a flexible sig. in 1995, both normal.  Thanks.
  : ___________
  : Dear Robert,
  : The color of your stool can be influenced by what you eat.  Obviously, the major concern is that you had colonic bleeding.  If your stool remain normal color, you may ask your physician to do a stool guaiac test (check the stool for blood).  If your stool again turn red or burgundy, you will need to see your doctor immediately to have an appropriate evaluation to determine the cause.  A nimber of different conditions can cause colonic bleeding.  Colon polyps/cancer, hemarrhoids, diverticulosis can present with bleeding, although you are young for a diverticular bleed.
  : This information is presented for educational purposes only.  Always consult your personal physician for specific medical questions.
  : HFHSM.D.-rf
  : *keywords: gastrointestinal bleeding
  : 0.2
  Thanks for the prompt response.  Given the length of time that it takes
  for a polyp to grow, and then turn cancerous, and given my examinations
  noted above, is it unlikely that I have such a problem?  Also, the side
  effects noted on my meds mentioned melena...could the medicine have colored
  the stool?  Thanks again.
________________________
Colon polyps/cancers can present with reddish brown stool.  For that reason, I suggested that your stool be checked for blood.  If blood is noted, then you would require further investigation of your colon, with colonscopy, to exclude polyps or cancer.
H. pylori is causative for duodenal and most gastric ulcers.  It is possible, but very unlikely, that you are bleeding from an ulcer.  Melena refers to black stool.  Patients with significant upper GI bleeding, sufficient to cause red stool, usually have other symptoms including liquid, foul smelling stool, abdominal cramps, weakness and malaise.  Fainting when assuming the upright position can also occur.  Based on your description, I do not believe that you bled from an ulcer or as a consequence of taking your medications.

This information is presneted for educational purposes only.  Always consult your personal physician for specific medical issues.
HFHSM.D.-rf
*keywprds: gastrointestinal bleeding
0.2




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