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How Viagra resolves sexual dysfunction problems in men?


Viagra (sildenafil) is one of the best known drugs to treat sexual dysfunction, a common health problem that affects men especially with increasing age. Sexual dysfunction includes erectile dysfunction (male impotence), premature or delayed ejaculation and reduced interest in sex (low libido). Viagra relaxes muscles of blood vessels and increases blood flow to the penis. It helps in getting and keeping an erection hard enough for having sex.

Some men feel ashamed and embarrassed in discussing their sexual dysfunction problem. At the age of 40 years around 5 % men and at the age of 65 years around 15 to 25 % men experience sexual dysfunction. Instead of feeling bad about your sexual dysfunction, speak to your doctor as this can be a signal to other problems and discuss about the medications available.

How does Viagra work?

Viagra does not cause arousal in men but only acts when the person is aroused or stimulated sexually. The nervous system of penis releases nitric oxide when the person becomes sexually stimulated. An enzyme is stimulated which produces cGMP, this cGMP relaxes smooth muscles. Then the blood flows easily into penis as the arteries in penis gets dilated. Viagra maintains cGMP level in smooth muscles. In other words, the person will not produce cGMP if he is not sexually aroused or turned on. Viagra helps you to achieve sufficient erection and maintains it after penetration.

When Viagra is taken on empty stomach, it becomes effective within an hour that is about 30 to 45 minutes and remains effective for 4 to 5 hours. But it may take longer time to start its effect if Viagra is taken after having high fat meal but results may vary from person to person.

Important safety information regarding Viagra use

Viagra should not be taken more than once per day. Also drinking alcohol can cause serious side effects with this medicine. The medicine should be taken 30-40 minutes before engaging in sexual activity. It should not be taken if you are allergic to any of its ingredients and if you are using drugs such as nitroglycerin and guanylate cyclase stimulators. Immediately seek medical attention if the erection lasts for more than 4 hours as it may damage your penis.

For how long Viagra stays in your system

Viagra breaks down normally in the body the effect lasts for up to four hours. Always take Viagra exactly as prescribed by your doctor. Before using this blue pill discuss the adverse effects of Viagra with your doctor and never take more than the recommended dose of Viagra.

Restore erection with Viagra

Researchers say that when men take Viagra every night they may return to normal erection. Viagra does not increase libido that is, it does not increase your desire for sex as it does not act on your brain to stimulate you sexually. Viagra only works when you are sexually aroused. For premature ejaculation, Viagra increases the amount of nitric oxide in body and enough nitric oxide inhibits premature ejaculation.