The nurse is talking with a client with acne vulgaris who has a new prescription for isotretinoin. Which of the following statements by the client would require follow-up?

D I should avoid drinking alcohol while taking the medication. B I need to wear sunscreen and sun-protective clothing while outdoors. A I will take an oral contraceptive and use condoms while taking isotretinoin. C I will take a vitamin A supplement daily while taking isotretinoin.