Viagra (Sildenafil)

Viagra (Sildenafil) is a medication commonly used to treat erectile dysfunction (ED) in men. It works by increasing blood flow to the penis, helping men achieve and maintain an erection in response to sexual stimulation. 

The active ingredient in Viagra is sildenafil, which works by inhibiting an enzyme called PDE5, leading to relaxation and widening of the blood vessels, thereby improving erectile function.

Viagra is typically taken about 30 minutes to 1 hour before sexual activity, with its effects lasting for about 4 hours. However, it does not increase sexual desire and will not cause an erection without sexual stimulation.

It's important to use Viagra under the guidance of a healthcare provider, as it may interact with certain medications and should be used cautiously in individuals with health conditions such as heart disease or high blood pressure.

Common side effects include 비아그라구매 headaches, facial flushing, and indigestion, 비아그라구매처although more serious side effects are rare. It is important to monitor for any adverse reactions and consult a healthcare provider if necessary.​