Lexapro feeling tired. I have dealt with extreme fatigue for several years, but until recently, I didn't make the connection that it could be Lexapro that is making me so tired. . My question is . I didn't gain weight but it did make me tired. I take Lexapro (a newer version of Cipralex) and found by experimenting that the best time for me to . . . Anyone else who takes Lexapro feel tired all the time. . Consumer ratings reports for LEXAPRO. . 10th week of lexapro: 20 mg (upped from 15mg 3 day... more