Does Lexapro increase sex drive?

No it doesnt. The opposite of that actually. Hope this helps!

Hi, Meg!
Reported side effects tend to be more on the negative side as a rule, but if the medication gives you a happier, more satisfying life by easing depression and/or anxiety it makes sense that interest in sex would be increased too.

Genitourinary
Very common (10% or more): Ejaculation disorder (up to 14%)

Common (1% to 10%): Anorgasmia, decreased libido, ejaculation failure, impotence, menstrual disorder, vaginal bleeding

Uncommon (0.1% to 1%): Amenorrhea, atrophic vaginitis, breast pain, cystitis, delayed ejaculation, dysmenorrhea, dysuria, genital infection, genital moniliasis, intermenstrual bleeding, loss of libido, menopausal symptoms, menorrhagia, menstrual cramps, metrorrhagia, micturition disorder, micturition frequency, nocturia, polyuria, postmenopausal bleeding, premenstrual tension, prostatic disorder, sexual function abnormality, unintended pregnancy, urinary frequency, urinary incontinence, urinary retention, urinary tract infection, uterine fibroid, vaginal candidiasis, vaginal hemorrhage, vaginitis

Frequency not reported: Galactorrhea, priapism

Source: Drugs.com