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Charleston, SC
A 26-year-old female asked:

Can an antibiotic cause you to bleed? i was prescribed one today and i went to the restroom about an hour and a half after taking it and there was a bunch of bright red blood. is this normal?

1 doctor answer1 doctor weighed in
Dr. Vitaliy Krol
Infectious Disease 20 years experience
GI Bleeding : bleeding from gastrointestinal track is never normal and has to be evaluated. It can be as simple as inflamed hemorrhoids or more serious form of colitis. Antibiotics in general should not cause bleeding. Please call you doctor or go to Er or urgent care center

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