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A member asked:

Can valtrex for herpes interfere with birth control or cause vaginal spotting? thank u?

A doctor has provided 1 answer

Antiviral meds: It has been stated that antiviral medications can interfere with the action of combination birth control medications. I don't think they are a cause of vaginal spotting. Your gynecologist and/or pharmacist can advise you about what oral contraceptives can be taken with valtrex.

Answered 1/21/2021

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