A member asked:

Do you think the effectiveness of my oral contraceptive for preventing acne could have gotten worse over time?

A doctor has provided 1 answer

It's possible: There is a medical phenomenon called tachyphyllaxis in which medicine becomes less effective over time. This may be happening, or your hormonal balances could have changed also.

Answered 6/23/2014

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Related Questions

A member asked:

Is OTC oral contraceptive pills good for my skin if acne prone?

A doctor has provided 1 answer