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A 21-year-old member asked:

Does sulfameth interfere with birth control? back up protection failed so i don't know if i should take plan b or would that be effective?

1 doctor answer5 doctors weighed in
Dr. Nela Cordero
Pediatrics 55 years experience
FERTILITY CONTROL: Sulfa rx does not interfere with bcp.Plan b or Provera (medroxyprogesterone) rx to bring down menstruation is safer if pregnancy test is negative under the guidance of your gyne.

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Last updated Jun 30, 2014

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