libido

(lĭ-bī′dō )

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(lĭ-bē′dō)
[L. libido, desire]

1. The sexual drive, conscious or unconscious.
2. In psychoanalysis, the energy that is the driving force of human behavior. It has been variously identified as the sex urge, desire to live, desire for pleasure, or satisfaction.
Some Classes of Drugs That Inhibit Libido
ClassExamples
alcoholbeer, liquor, wine
antidepressantsamitriptyline, fluoxetine
alpha blockersclonidine
beta blockersatenolol, propranolol
drugs of abuseamphetamines, cocaine, heroin
histamine2 blockerscimetidine
major tranquilizersclozapine, fluphenazine, thioridazine
oral contraceptivesmany types
sedative/hypnoticsbenzodiazepines

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