Viagra effect

Viagra (sildenafil) is a phosphodiesterase inhibitor (PDE-5 inhibitor) used to treat impotence (or erectile dysfunction, ED, the inability to attain or maintain a penile erection). Erection of the penis occurs when the penis fills with blood. Viagra is a phosphodiesterase 5 (PDE5) inhibitor. It works by causing more blood to flow to the penis for an erection. This can be beneficial for ED. But it can also cause side effects, such as headaches, flushing, and upset stomach. Serious side effects are rare, but they can happen too. Discover the mild and serious side effects of Viagra (sildenafil). Learn how to manage symptoms safely and when to seek medical help. Headaches are the most common side effect of Sildenafil. They happen because the medicine widens blood vessels, which can increase blood flow to the brain. About 15-30% of users report headaches after taking Sildenafil. Usually, headaches are mild and go away within a few hours. Erectile dysfunction is a condition where the penis does not harden and expand when a man is sexually excited, or when he cannot keep an erection. When a man is sexually stimulated, his body's normal response is to increase blood flow to his penis to produce an erection. Viagra relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Viagra is used to treat erectile dysfunction (impotence) in men. Viagra (sildenafil) is a brand-name prescription drug that’s used to treat erectile dysfunction (ED). Learn about side effects, warnings, dosage, and more.

Meta: