Medical Dictionary
SSRI
noun \ˌes-(ˌ)es-(ˌ)är-ˈī\
Medical Definition of SSRI
: any of a class of antidepressants (as fluoxetine or sertraline) that inhibit the inactivation of serotonin by blocking its reuptake by presynaptic nerve cell endings—called also selective serotonin reuptake inhibitor
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