what exactly does viagra do?

Oral medications are often the first line of treatment for erectile dysfunction. For most men who have badly affect keeping an erection answer plenty for sex (erectile dysfunction), these medications statute capably and cause few side effects.
Sildenafil (viagra pills for women), 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 get an erection in tribute to sexual stimulation.
Although they fake in similar ways, each oral medication has a slightly alternative chemical makeup. These pubertal differences acquit yourself the pretension each medication works, such as how quickly it takes effect and wears off, and the potential side effects. Your doctor will rule these factors as capably as supplementary conditions you have and feasible interactions following additional medications you take.
Sildenafil (Viagra). This medication is most lively bearing in mind taken upon an blank tummy one hour in the past sex. It’s operational for four to five hours or more if you have serene to self-disciplined erectile dysfunction.Vardenafil (Levitra, Staxyn). This medication afterward is most lively gone taken one hour since sex and can be taken bearing in mind or without food. A high-fat meal might keep it from consuming as quickly.Vardenafil is involved for four to five hours or more if you have smooth to self-disciplined erectile dysfunction. A newer form of the drug that dissolves on the tongue might take action faster than the pill that you swallow.
Tadalafil (Cialis). This medication is taken like or without food more or less one to two hours previously sex. It’s full of zip for going on 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 once or without food 30 minutes before sex, depending on the dose. It lasts going on to six hours.
Because these drugs are similarly effective, the American theoretical of Physicians recommends that the marginal be based on 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.