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Generic sildenafil (and brand-name Viagra) is a medication for the treatment of ED, Raynaud’s phenomenon, and pulmonary arterial hypertension. To understand how Viagra works, we need to look at ...
Here’s a list of both the half-lives and duration of action for four of the most common ED drugs (PDE5 inhibitors): Viagra (or sildenafil) lasts three to five hours after it’s consumed.
Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9] It is unclear if it is effective for treating sexual dysfunction in females. [8]
Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.
How to Use Viagra for Best Results. Viagra is great as an ED treatment, but taking it in particular conditions can make it even more effective. To get the best results from Viagra when treating ...
Erectile dysfunction (ED), also referred to as impotence, is a form of sexual dysfunction in males characterized by the persistent or recurring inability to achieve or maintain a penile erection with sufficient rigidity and duration for satisfactory sexual activity.
Sildenafil and other PDE-5 inhibitor medications can interact with other drugs, including several common medications used to treat chest pain, high blood pressure (sildenafil can cause low blood ...
Sildenafil (marketed as Viagra) was the first PDE5 inhibitor on the market. Originally created as a treatment for high blood pressure in 1989, it was found to have a secondary use as an effective PDE5 inhibitor, enabling men who use it to gain stronger erections after arousal. The FDA approved Viagra on March 27, 1998. [20]