how long for lexapro to be out of system
Half-Life. Half-life is referred to the average time a drug takes to peak in the body. According to Forest Pharmaceuticals, the half-life of Lexapro is 27 to 32 hours. In elderly patients, the half-life increases by approximately 50 percent. Depending on how the body metabolizes medication, it can take approximately four half-lifes for the medication to be excreted from the body. That can mean 108 to 128 hours for Lexapro.