Tags: Drug.
Didesmethylcitalopram is an active metabolite of the antidepressant drug citalopram (racemic). Didesmethylescitalopram is an active metabolite of the antidepressant escitalopram the S-enantiomer of citalopram. Like citalopram and escitalopram didesmethyl(es)citalopram functions as a selective serotonin reuptake inhibitor (SSRI) and is responsible for some of its parents’ therapeutic benefits.