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Doctor insights on: Black Stools Caused By Antibiotics

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Can antibiotics cause black stool?

Can antibiotics cause black stool?

Not likely: If you have tarry black stool, see your doctor asap, as it is an indication of bleeding in the intestine. ...Read more

Dr. Linda Callaghan
319 doctors shared insights

Melena (Definition)

Melina is blood in the stool that is black, tarry, sticky, and smelly. The blood in melena comes from high up in the gastrointestinal tract, and gets partially digested which is why it changes to melena. Bright red blood comes from lower ...Read more


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Can an antibiotic cause black stool?

I don't specifically: Know of one that causes black stool. If stool is black, tarry and malodorous that could be melena (gi bleed). That would require prompt medical evaluation. ...Read more

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Can eating oreo black cause you to have black stool?

Can eating oreo black cause you to have black stool?

If you: Enough of them yes and due mostly to the artificial food coloring and chemicals in packaged cookies. Eat healthier home baked cookies, in general better for you than store bought packaged cookies. Too many preservatives and other things that potentially are causing long term consequences and harm. ...Read more

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Cholecystomy two weeks ago. What causes black stool? Should i be concerned?

Cholecystomy two weeks ago. What causes black stool? Should i be concerned?

Blood: You should speak with the surgeon that did your case. Blood from above usually is the source of black stool. Given that you are two weeks out from your procedure, you should definitely let your surgeon know about this. ...Read more

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Gi contrast cause dark black stool?

Please talk to your: Dr. I don't believe that barium contains bismuth or iron which could cause stool to become black. If the bowel movements are black., sticky & malodorous - this could be due to a GI bleed & would require prompt medical evaluation. Take care. ...Read more

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Can any of the usual antibiotics cause black stools?

Can any of the usual antibiotics cause black stools?

Not aware: Black stools may result by ingestion of materials which contain high iron content. You should, however, make sure that nothing else is going on. Any dr. Can check your stool to make sure that there is no blood present. Also, why are you taking antibiotics? Some can result in changes to the GI tract which are dangerous (i.e., clostridium difficile colitis, and others). ...Read more

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What foods can cause black stool (i have gastritis)?

Contact doc now: While some foods are produce a black stool, this is often a sign that you are bleeding from the stomach or intestine. See your doctor immediately for testing. ...Read more

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Is black stool always blood, or could some foods or drinks cause it?

Is black stool always blood, or could some foods or drinks cause it?

Iron, petobismol: It is reasonable to see a doctor who can check the stool for blood, or give you special cards to collect the stool for a test. ...Read more

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Can manchurian gravy cause black stools? Bit of nauseous, stomaxh upset and anxiety

No: This is a Chinese dish served over meatballs containing onions, chili, garlic and pepper. If you made it spicy, it may have exacerbated an ulcer or hemorrhagic gastritis from another cause. If the black stools continue or you become light-headed or clearly sick, get with your physician. ...Read more

Dr. John Leander Po
1,117 doctors shared insights

Antibiotic (Definition)

An antibiotic is a medicine that slows, stops, or kills germs. The germs are usually bacteria causing an infection in a person, so the person uses antibiotics to help his body get ...Read more


Feces (Definition)

Feces is the product of ...Read more