yohimbine (redirected from Yohimbinum)

yohimbine /yo·him·bine/ (yo-him´bēn) an alkaloid chemically similar to reserpine, from the bark of the yohimbe tree; it possesses alpha-adrenergic blocking properties and is used as the hydrochloride as a sympatholytic and mydriatic, and for the treatment of impotence.

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yohimbine (yōhim´bēn´),

n an alkaloid, the active principle comes from the bark of
Corynanthe johimbe. It produces a competitive blockage of limited duration of α-adrenergic receptors. It has also been used for its alleged aphrodisiac properties.

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yohimbine

an α2 adrenoceptor antagonist used to reverse sedation produced by α2 adrenoceptor agonists such as xylazine.

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yohimbine challenge test

used as a test for cataplexy in dogs; after administration, there is a marked reduction in the number and severity of clinical signs.

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yohimbine

Pharmacognosy An alkaloid used to treat erectile dysfunction, which is chemically similar to reserpine; it may be of use for orthostatic hypotension and ischemic vascular disease caused by autonomonic dysfunction in DM, narcotic overdose, possibly acting to ↑ dopamine release, and for psychogenic and organic impotence, possibly ↑ inflow to and/or ↓ outflow of blood from the penis, with ↑ erection without ↑ sexual desire