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How long does it take for a boil to heal while taking Bactrim?

Medically reviewed by Drugs.com. Last updated on April 15, 2019.

I got a boil on my buttock and went to my doctor. She prescribed sulfamethoxazole-trimethoprim tablets for 10 days at a twice a day dosage. How long before it starts healing? It's so painful.

Official Answer

by Drugs.com

Boils can take some time to heal. It's hard to say how long.

You can speed healing by placing a warm moist cloth on the boil which helps it to drain. Gently soak the area with a warm, moist cloth several times each day.

For more information see: https://www.drugs.com/health-guide/boils-and-carbuncles.html

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