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What dose of co-trimoxazole is used in a patient with a UTI?

Medically reviewed by Last updated on Nov 5, 2020.

Official Answer


The usual adult dose of co-trimoxazole to treat a UTI (urinary tract infection) is trimethoprim-sulfamethoxazole 160 mg-800 mg (1 double-strength tablet) orally every 12 hours for 10 to 14 days

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