 [ Symptoms ] if someone is taking lexapro & starts smoking is this an indicator that the medication is not working  my husband takes lexapro for treatment of his anxiety he carpools with a smoker & has started to smoke himself [ Disease ] your birth control pills are effective at this point so condoms are not necessary for added contraception coverage but they are important for protecting you from sexually transmitted diseases yes any seminal discharge can have viable sperm capable of causing a pregnancy but your birth control pills should be an effective contraceptive at this point