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“Unabsorbed iron can form complexes with compounds in your gastrointestinal tract that can lead to black stools,” says Samuel A. Akinyeye, M.D., assistant professor in the division of ...
Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding. [1] The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria.
It is also one of the medications that can cause toxic epidermal necrolysis or Stevens–Johnson syndrome. [8] The pediatric version of cefdinir can bind to iron in the digestive tract; in rare cases, this causes rust or red discoloration of the stool. Blood typically appears dark brown or black in stool, and testing may confirm which is present.
[2] [27] Potential side effects include black tongue, black stools, nausea, constipation, and ringing in the ears. Bismuth subsalicylate should not be taken by those with aspirin allergy, kidney disease, or gout, nor concurrently with certain antibiotics such as the quinolones, and should not be taken continuously for more than three weeks.
(Find out the 9 most common reasons why your poop is black.) ... As noted by Dr. O’Connor, certain drugs and supplements can cause the stool to appear pale or clay-like.
A diet high in fiber makes stool softer, while a low-fiber diet can cause hard, dry stools, Dr. Uradomo says. Fiber-rich foods include whole grains, fruits and vegetables. ... If you have blood in ...
Destruction of the normal protective flora of beneficial bacteria can occur in dogs and horses. [21] [22] Dogs may have side effects that include: joint pain, loss of appetite, vomiting, flatulence (intestinal gas), fungal infections and digestive problems. [23] Like humans, dogs can have a similar side effect related to developing a serious ...
It can cause a black tongue and black stools in some users of the drug when it combines with trace amounts of sulfur in saliva and the colon to form bismuth sulfide. [7] Bismuth sulfide is a highly insoluble black salt, and the discoloration seen is temporary and harmless. Long-term use (more than six weeks) may lead to accumulation and ...