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What is trimethoprim?

Trimethoprim is a prescription medication that's used to treat certain bacterial infections, including urinary tract infections, respiratory infections and middle ear infections. Trimethoprim should be taken by mouth, usually once a day, at the same time each day. There are several different brand-name versions of this medication and there are also generic versions available. Talk to your doctor to determine whether trimethoprim is right for you.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.