A member asked:

How soon after taking plan b can i take an antibiotic?

5 doctors weighed in across 2 answers
Dr. Susan Albow answered

Specializes in Integrative Medicine

Plan B: Plan B works through delaying or preventing ovulation, by interfering with fertilization. The FDA package insert also states that Plan B may inhibit implementation by altering the lining of the uterus. I do not know of any specific interactions which have been reported with concurrent antibiotic use.

Answered 9/12/2017

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Dr. Heidi Fowler answered

Specializes in Psychiatry

Most antibiotics: are ok. Antibiotics which can affect Plan B: ampicillin, cotrimoxazole (in Bactrim), Rifampin, tetracycline, & clarithromycin.

Answered 11/4/2017

554 views

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