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A 19-year-old male asked:

I was prescribed antibiotics for a minor infection. cephalexin - 500 mg capsules, 4 times a day. i was told diarrhea is a normal side affect. when should i be concerned about diarrhea? what is normal, what isn't when on antibiotics?

1 doctor answer1 doctor weighed in
Dr. Yvette Kratzberg
Pediatrics 25 years experience
C Dificile causes watery diarrhea, frequently with blood or pus, abdominal cramping and pain, fever, nausea, dehydration and rapid heart rate. Diarrhea typical to antibiotic use causes loose stools, but not watery diarrhea and not with severe abdominal cramping/pain. It can be resolved by increasing fiber intake and taking a probiotic.
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Last updated Jul 2, 2021

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