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

Class	Examples
alcohol	beer, liquor, wine
antidepressants	amitriptyline, fluoxetine
alpha blockers	clonidine
beta blockers	atenolol, propranolol
drugs of abuse	amphetamines, cocaine, heroin
histamine2 blockers	cimetidine
major tranquilizers	clozapine, fluphenazine, thioridazine
oral contraceptives	many types
sedative/hypnotics	benzodiazepines

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