Sildenafil – Wikipedia

What does Viagra do? When a man is sexually stimulated, Viagra facilitates increased blood flow to the penis, making it erect and firm. This enhanced blood circulation allows men with ED to get and keep an erection during sex. Sildenafil is a medicine used to treat erection problems ( erectile dysfunction ). Sildenafil is also sometimes used to treat pulmonary hypertension (high blood pressure in the blood vessels that supply the lungs). when do men need viagra Sildenafil may be used to treat erectile dysfunction (ED or impotence) in men (Viagra brand) or pulmonary arterial hypertension in both men and women (Revatio brand), depending on the brand. Sildenafil blocks the action of an enzyme known as cGMP-specific phosphodiesterase type-5 (PDE-5). On average, Viagra lasts between 2 and 3 hours before its effects start to diminish. Viagra can last up to 5 hours or longer depending on your dosage, your body s metabolism, and other external

Compare prices and print coupons for Sildenafil (Generic Revatio and Viagra) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $9.30 In 2024, Pfizer, the maker of both Revatio and Viagra, sued Teva for patent infringement, or trying to introduce a generic version several years before Pfizer’s patent for Viagra was set to expire. effects of viagra in females Though it’s been nicknamed the female Viagra, the two drugs function in very different waysViagra aims to enhance performance whereas Addyi aims to balance chemicals in the brain that correlate to desire. Still, researchers have only a rough sense of what the drug does to the brain. The efficacy and safety of sildenafil were evaluated in estrogenized and estrogen-deficient women with sexual dysfunction that included female sexual arousal disorder (FSAD). Methods: Patients were randomized to receive mg sildenafil or matching placebo.