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What is Viagra?

Viagra is the brand name of the prescription medicine sildenafil citrate. It’s used to treat erectile dysfunction (ED) in men. ED means men can’t get or keep an erection.

What are warnings for while taking Viagra?

Some medicines are not safe to take with Viagra. Specifically, Viagra shouldn’t be used in combination with a nitrate drug for treating chest pain or heart problems. This includes nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, amyl nitrate, or nitrite "poppers."

Does Viagra work for women?

Viagra (sildenafil) and the other drugs for erectile dysfunction, such as Levitra (vardenafil) and Cialis (tadalafil), work by inhibiting the chemical phosphodiesterase, which leads to an increase in the effect of nitric oxide. Nitric oxide allows the smooth muscles inside the penis to relax, promoting more blood flow to the area during sexual arousal or stimulation. Through this action, the drugs work to fix a functional problem. The use of Viagra-like drugs in women is not as straightforward, and a similar treatment does not exist for women.

Is grapefruit safe with consumption of Viagra?

Eating grapefruit or drinking grapefruit juice may affect how Viagra works the body. Avoid consuming grapefruit products while taking this medicine.

Can men taking antihypertensive medications use Viagra?

Viagra (sildenafil) must be used with caution in patients taking an antihypertensive medication. Do not take Viagra (sildenafil) in case of using a nitrate drug for chest pain or heart problems.