A 28-year-old female asked:
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Can kidney infection cause bloating and constipation? How long does that last? I've been taking bactrim (sulfamethoxazole and trimethoprim) ds for 2 1/2 days now.

1 doctor answer
Dr. Corey Clay
9 years experience in Allergy and Immunology
The Bactrim (sulfamethoxazole and trimethoprim): Bloating is a common side effect of antibiotics, including Bactrim (sulfamethoxazole and trimethoprim). Constipation, diarrhea or both (alternating) are also possible. The duration of this effect is difficult to predict. The most likely mechanism is the antibiotic effect of normal gut microbiota and subsequent recolonization.
Answered on Nov 7, 2017

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