A member asked:

Was prescribed azithromycin for 10 days for a sinus infection. how does this interact with my birth control, trinessa (norgestimate and ethinyl estradiol)? thanks!

A doctor has provided 1 answer

Should not interact: The current thinking is that except for rifampin, other commonly-used antibiotics do not alter the effectiveness of birth control pills such as TriNessa (norgestimate and ethinyl estradiol). This is likely presuming a person is not sick with vomiting or diarrhea, or some other condition that decreases the absorption of a swallowed pill. One can look up: http://www.ncbi.nlm.nih.gov/pubmed/12063491

Answered 1/8/2016

1.8k views

Thank

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