Rimantadine intercation with birth control pill Diane 35

Patient: Can you please tell me if the antiviral drug Rimantadine affects birth control pills (Diane 35)?

Doctor: HelloYes, antiviral therapy can reduce the effectiveness of the birth control pill. Hence, it is advised that an addi tional backup method in the form of barrier contraception may be used till the therapy is practiced and 2 weeks after completion of the antiviral therapy as welL.i hope I have answered your query in detail,wishing you good health,regards