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Yohimbine
Pronunciation
U.S. Brand Names
Generic Available
Synonyms
Pharmacological Index
Use
Contraindications
Warnings/Precautions
Adverse Reactions
Drug Interactions
Mechanism of Action
Pharmacodynamics/Kinetics
Usual Dosage
Dental Health: Local Anesthetic/Vasoconstrictor Precautions
Dental Health: Effects on Dental Treatment
Patient Information
Dosage Forms

Pronunciation
(yo HIM bine)

U.S. Brand Names
Aphrodyne™; Dayto Himbin®; Yocon®; Yohimex™

Generic Available

Yes


Synonyms
Yohimbine Hydrochloride

Pharmacological Index

Miscellaneous Product


Use

Unlabeled uses: Treat SSRI-induced sexual dysfunction; weight loss; impotence; sympathicolytic and mydriatic; may have activity as an aphrodisiac


Contraindications

Renal disease, hypersensitivity to yohimbine


Warnings/Precautions

Do not use in pregnancy; do not use in children; not for use in geriatric, psychiatric, or cardio-renal patients with a history of gastric or duodenal ulcer; generally not for use in females. Should not be used in kidney disease or psychiatric disorders; can cause high blood pressure and anxiety, tachycardia, nausea, or vomiting.


Adverse Reactions

Cardiovascular: Tachycardia, hypertension, hypotension (orthostatic), flushing

Central nervous system: Anxiety, mania, hallucinations, irritability, dizziness, psychosis, insomnia, headache, panic attacks

Gastrointestinal: Nausea, vomiting, anorexia, salivation

Neuromuscular & skeletal: Tremors

Miscellaneous: Antidiuretic action, diaphoresis


Drug Interactions

CYP2D6 and 3A3/4 enzyme substrate; CYP2D6 enzyme inhibitor


Mechanism of Action

Derived from the bark of the yohimbe tree ( Corynanthe yohimbe), this indole alkaloid produces a presynaptic alpha2-adrenergic blockade. Peripheral autonomic effect is to increase cholinergic and decrease adrenergic activity; yohimbine exerts a stimulating effect on the mood and a mild antidiuretic effect.


Pharmacodynamics/Kinetics

Absorption: Oral: 33%

Half-life: 0.6 hour


Usual Dosage

Adults: Oral:

Orthostatic hypotension: Doses of 12.5 mg/day have been utilized; however, more research is necessary


Dental Health: Local Anesthetic/Vasoconstrictor Precautions

No information available to require special precautions


Dental Health: Effects on Dental Treatment

No effects or complications reported


Patient Information

Considered unsafe


Dosage Forms

Tablet, as hydrochloride: 5.4 mg


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