about lexapro: "This medication may cause dizziness or drowsiness. Escitalopram is a selective serotonin reuptake inhibitor. Lexapro blocks the re-absorption of serotonin by the first nerve cell. Within days of taking Lexapro you will notice an incredible change in your depression symptoms. Lexapro tablets are film-coated, round tablets containing Escitalopram oxalate in strengths equivalent to 5 mg."