What is the Viagra?
The medicine Viagra is the first pharmaceutical medicament which shows significant and authentic efficiency at the majority of patients with dysfunctional erection. Viagra promotes the natural response of an organism to sexual stimulation.

How does Viagra work?
It consists in increase in quantity of the blood acting in a penis that helps the man to cause natural erection. The indisputable novelty and a secret of huge popularity is that Viagra operates only on natural mechanisms of erection occurrence.

What is efficiency of Viagra?
Viagra possesses enough high efficiency. To a considerable degree the efficiency of Viagra depends on kind of erectile dysfunctions, on concomitant disease. Viagra is effective enough at vascular erectile dysfunctions, but at presence of a pathological venous drainage the results of Viagra usage are much worse.

Whether Viagra raises a sexual desire?
Action of Viagra is based only on local increase of a blood-groove in cavernous of a penis body, and it does not cause strengthening a sexual desire. Viagra does not raise libido and is not "being turned on" means.

How to define a sexual norm?
Healthy person is a man who has and preserves erection which allows him to have the sexual relations and successfully to finish them. If the person considering healthy, accepts Viagra and finds out improvement of function of erection, there is a chance that he actually can quite suffer some dysfunctions of erection.

What doctors are recommended to consult on before taking the medicine?
It is recommended to address for consultation to the sexual pathologist or the urologist. It is desirable, that you were examined also by the cardiologist or the therapist to exclude diseases of heart. If you suffer any chronic diseases, you should address to corresponding doctor.

How to take Viagra?
Everything that you should do is to take one pill of Viagra about for an hour before sexual activity. The drug usually works in about 30-60 minutes and proceeds for four hours. To get the fastest results take Viagra before eating the meal. You should take Viagra just if you are going to have sex and no more than once a day.