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escitalopram

The active S-stereoisomer of the selective serotonin reuptake inhibitor (SSRI) citalopram with antidepressant, anti-obsessive-compulsive and antibulimic properties. Escitalopram inhibits the reuptake of the neurotransmitter serotonin (5-HT) at the serotonin reuptake pump of the neuronal membrane of the presynaptic cell, thereby increasing levels of 5-HT within the synaptic cleft and enhancing the actions of serotonin on 5HT1A autoreceptors. Unlike other SSRIs, escitalopram appears to not only bind to a primary high-affinity site on the serotonin transporter protein but also to a secondary lower-affinity allosteric site that is considered to stabilize and prolong drug binding.
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Synonym:(S)-citalopram
S(+)-Citalopram
US brand name:Seroplex
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