Escitalopram is a selective serotonin reuptake inhibitor (SSRI). It is a type of antidepressant that works by regulating the chemical messenger serotonin. Some adverse reactions like sleeplessness (insomnia), ejaculation disorder, nausea, increase in sweating, fatigue and drowsiness and low sex drive (decreased libido) were observed during clinical trials.
Director of the FDA's Center for Drug Evaluation and Research, Janet Woodcock said, "This medication is widely used by people who must manage their condition over time, so it is important to have affordable
Escitalopram is packaged with a black box warning regarding an increased risk of suicidal thoughts and behavior among children, adolescents and young adults aged 18-24 years when first starting treatment. Those over the age of 24-years showed no such risk, and patients 65-years and older showed a decreased risk.