A 22-year-old male asked:
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i threw up about 3 or 4 times one day ago, had diarrhea and black stool. are these symptoms of the flu? if so how long do they last ?

2 doctor answers
Dr. Mary Efremov
42 years experience Internal Medicine
See a doctor: Tarry stools can be a sign of bleeding in the gastrointestinal tract."flu" is actually a respiratory illness with fevers, sneezing and cough". This sounds very different.
Answered on May 17, 2016
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Dr. Eric Kaplan
41 years experience Colon and Rectal Surgery
Black stool: Is worrisome for gastric source of bleeing, either ulcer or tumor or gastritis especially if you didn't take peptobismol. Get it checked out promptly. Unlikely due to flu.
Answered on Jan 16, 2015
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2 thanks

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