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October 2000 UK (Invicorp): aviptadil, in combination with the adrenergic drug phentolamine, is approved as an effective alternative therapy for erectile dysfunction (ED) patients. One dose intracavernosal injection contains 25 micrograms aviptadil and 2 mg of phentolamine mesilate for the treatment of ED.
The primary application for phentolamine is for the control of hypertensive emergencies, most notably due to pheochromocytoma. [5]It also has usefulness in the treatment of cocaine-induced cardiovascular complications, where one would generally avoid β-blockers (e.g. metoprolol), as they can cause unopposed α-adrenergic mediated coronary vasoconstriction, worsening myocardial ischemia and ...
Phenoxybenzamine is used as an anti-hypertensive due to its efficacy in reducing the vasoconstriction caused by epinephrine (adrenaline) and norepinephrine.Phenoxybenzamine forms a permanent covalent bond with adrenergic receptors.
Pindolol, sold under the brand name Visken among others, is a nonselective beta blocker which is used in the treatment of hypertension. [1] [2] It is also an antagonist of the serotonin 5-HT 1A receptor, preferentially blocking inhibitory 5-HT 1A autoreceptors, and has been researched as an add-on therapy to various antidepressants, such as clomipramine and the selective serotonin reuptake ...
Alpha-adrenergic antagonists are also used for treatment of ureteric stones, pain and panic disorders, withdrawal, and anesthesia. [ 18 ] [ 2 ] Adrenergic antagonists are used to treat acute cardiovascular toxicity (e.g. in overdose ) caused by sympathomimetics , for instance caused by amphetamine , methamphetamine , cocaine , ephedrine , and ...
Fenoldopam is used as an antihypertensive agent postoperatively, and also intravenously (IV) to treat a hypertensive crisis. [4] Since fenoldopam is an intravenous agent with minimal adrenergic effects that improves renal perfusion, in theory it could be beneficial in hypertensive patients with concomitant chronic kidney disease. [5]
A topical gel is also available for ED treatment. [8] It is also commonly used in cryopreservation of blood vessels along with the other glycosaminoglycans and protein suspensions. [9] [10] Functions as a vasodilator during cryopreservation when used in conjunction with verapamil, phentolamine, nifedipine, tolazoline or nitroprusside. [11] [12]
Phentolamine, a non-selective alpha blocker, has also been tested to treat erectile dysfunction. By reducing vasoconstriction in the penis, there appears to be increased blood flow that aids in penile erection. Side effects associated with phentolamine include headache, flushing, and nasal congestion. [23]