A member asked:

Dr prescribed bactrim (sulfamethoxazole and trimethoprim) for sinusitis. what's worst can happen if i don't call dr about my symptoms lower back pain, muscle pain, little stomach cramps?

A doctor has provided 1 answer
Dr. James Burns answered

Specializes in Emergency Medicine

Make it easy: ...And just call your doctor. Stomach cramps are common with antibiotics. Not sure about back pain, and muscle pain. May not be related.

Answered 3/18/2014

4.7k views

Thank

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