Active Ingredient History
Guanfacine (marketed under the brand names Estulic, Tenex and the extended release Intuniv) is a sympatholytic drug, indicated for the management of hypertension. Tenex (guanfacine hydrochloride) is an orally active antihypertensive agent whose principal mechanism of action appears to be stimulation of central α2-adrenergic receptors. By stimulating these receptors, guanfacine reduces sympathetic nerve impulses from the vasomotor center to the heart and blood vessels. This results in a decrease in peripheral vascular resistance and a reduction in heart rate. Guanfacine is also used in the treatment of attention deficit hyperactivity disorder. Intuniv is an extended-release version of guanfacine that is used to treat symptoms of ADHD. It can be used by itself or with stimulant medications also used to treat symptoms of ADHD. NCATS
Drug Pricing (per unit)
Note: This drug pricing data is preliminary, incomplete, and may contain errors.
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