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A member asked:

I think i have a sinus infection, will cephalexin antibiotics make my birth control less effective?

A doctor has provided 1 answer

Possible: Antibiotics can make them less effective. And, Cephalexin is not a good choice to treat a sinus infection.

Dr Ham agreed

Answered 8/14/2015

5.7k views

Thank

Related Questions

A member asked:

I take 250mg of Cephalexin daily as a suppressant for chronic UTIs. Will this dosage of antibiotics reduce the effectiveness of my birth control?

A doctor has provided 1 answer

A member asked:

Does Cephalexin Antibiotic interfere with birth control (Kurvelo)? My pharmacist said no, but Im going to ask my doctor. Should I be concerned?

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A member asked:

I am on birth control (Yazmin) and i toke Keflex. I had unprottected sex (without ejaculation) 2 days after i finished the antibiotic. Im pregnant?

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A member asked:

Does the antibiotic Keflex affect birth control pills? Specifically Trisprintec?

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A member asked:

Does the antibiotic Keflex interact with Trisprintec birth control pills?

A doctor has provided 1 answer

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