how does viagra work

Oral medications are often the first extraction of treatment for erectile dysfunction. For most men who have distress keeping an erection unqualified passable for sex (erectile dysfunction), these medications play with ease and cause few side effects.

Sildenafil (Viagra), vardenafil (Levitra, Staxyn), tadalafil (Cialis) and avanafil (Stendra) are oral medications that reverse erectile dysfunction by enhancing the effects of nitric oxide, a natural chemical your body produces that relaxes muscles in the penis. This increases blood flow and allows you to acquire an erection in reply to sexual stimulation.

Although they decree in same ways, each oral medication has a slightly alternative chemical makeup. These youth differences put-on the pretentiousness each medication works, such as how quickly it takes effect and wears off, and the potential side effects. Your doctor will adjudicate these factors as well as other conditions you have and realizable interactions when additional medications you take.

Sildenafil (greenstone viagra). This medication is most working taking into account taken on an blank stomach one hour previously sex. It’s on the go for four to five hours or more if you have mild to ascetic erectile dysfunction.Vardenafil (Levitra, Staxyn). This medication also is most on the go next taken one hour back sex and can be taken following or without food. A high-fat meal might keep it from consuming as quickly.Vardenafil is vigorous for four to five hours or more if you have mild to teetotal erectile dysfunction. A newer form of the drug that dissolves upon the tongue might action faster than the pill that you swallow.

Tadalafil (Cialis). This medication is taken later or without food about one to two hours since sex. It’s in force for happening to 36 hours. It can be taken in a small dose daily or in a larger dose as needed.

Avanafil (Stendra). This medication is taken in imitation of or without food 30 minutes back sex, depending upon the dose. It lasts occurring to six hours.

Because these drugs are similarly effective, the American university of Physicians recommends that the complementary be based upon your preferences, including cost, ease of use, how long the drug’s effects last and side effects. There are generic versions of sildenafil, vardenafil and tadalafil available.

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