Sildenafil, also known by brand name Viagra, is a drug used to treat erectile dysfunction and pulmonary arterial hypertension. The drug works by inhibiting phosphodiesterase type 5, an enzyme that breaks down cGMP, resulting in smooth muscle relaxation and increased blood flow to the penis during sexual stimulation. Some key uses of sildenafil include treating erectile dysfunction, better known...
Arabic
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek