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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 ...
Viagra or sildenafil, the active ingredient and generic version, is a PDE-5 inhibitor that widens blood vessels inside the member to allow better blood flow for stronger or longer-lasting arousal.
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.
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]
Remember that Viagra and sildenafil are the same. Sildenafil is the active ingredient in Viagra, meaning you’ll need to take the same precautions while drinking if you opt for generic sildenafil ...
Warnings - covers possible serious side effects that may occur (e.g., boxed warning) Precautions - explains how to use the medication safely including physical impairments, food (grapefruits) and drug interactions; for example "Do not drink alcohol while taking this medication" or "Do not take this medication if you are currently taking MAOI ...
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.