Adverse reactions are most frequent during the first or second week of treatment and usually decrease in intensity and frequency with continued treatment.
Decreased appetite, increased appetite, weight increased, anxiety, restlessness, abnormal dreams, decreased libido, anorgasmia, insomnia, somnolence, dizziness, paraesthesia, tremor, sinusitis, yawning, nausea, diarrhea, constipation, vomiting, dry mouth, increased swearing, arthralgia, myalgia, ejaculation disorder and impotence are the common adverse reactions of escitalopram.
Anaphylactic reaction, aggression, depersonalization, hallucination, serotonin syndrome, bradycardia are rarely seen in patients taking escitalopram.
Weight decrease, bruxism, agitation, nervousness, panic attack, confusional state, taste disturbances, sleep disorder, syncope, mydriasis, visual disturbances, tinnitus, tachycardia, epistaxis, gastrointestinal haemorrhages (including rectal haemorrahges), urticara, alopecia, rash, pruritus, metrorrhagia and menorrhagia are some of the uncommon adverse reactions of escitalopram.
It has been associated with the development of akathisia, characteristic by a subjectively unpleasant or distress restlessness and need to move often accompanied by an ability to sit or stand still.