Title: Viagra (Viagra). Form, composition: packing for 1 or 4 tablets. One tablet of Viagra contains 25,50 and 100 mg of sildenafil citrate.
Information for patients:
Viagra, the first drugs that shows the greatest efficiency in a considerable number of patients with erectile dysfunction. The advantage of this drug is that it affects the natural mechanisms of erection, erectile function restores naturally. Along with Sialis, Levitra, Propecia and Cefagil . Viagra is a drug that guarantees the restoration of erectile function.

The mechanism of action:
The action of the drug is to increase blood flow to the penis, which helps the natural erection.
The effectiveness of Viagra:
Viagra has a high efficiency. It depends on the types of violations of erection. With vascular erectile dysfunction effectiveness of Viagra is greater than in pathological venous drainage.

Does the drug increase sexual attraction?
The mechanism of action of Viagra is directed to increase blood flow to the penis. Viagra does not affect libido and not applicable to the category of “stimulating” drugs.
Medical testimony:
Viagra is for men, who suffer from erection disorders of various kinds, also in case of  nerves or vessels affection of the penis. Except the phone fibrosis of the penis.
How to define the sexual norm?
A healthy person is the one who is able to maintain an erection to have sexual intercourse and to complete them. If a healthy person who takes Viagra, shows improvement in the mechanism of erection, he may suffer in some degree of erectile dysfunction.
Rules of admission Viagra:
Take one tablet about an hour before sexual act. Effects of Viagra appear after 30-60 minutes and lasts about 4 hours. Viagra should be taken before your meal, so the drug will act quickly. Do not take Viagra more than once a day.
How to choose a dose?
The product is available in 3 dosages – 25, 50, 100 mg. The usual dose of Viagra – 50 mg. The dosage is adjusted depending on the effect. (Coming or not coming). There is another approach – to begin treatment with 25 mg of the drug, gradually increasing the dosage until the effect.
Does Viagra affect ability to have a child?
The drug has no effect on the ability of the appearance of the child. However, Viagra may be useful when you have erectile dysfunction, which prevent the birth of children in child-bearing age.
Does the tool affect fertility?
Viagra does not affect fertility. It does not affect the semen or the activity of sperm.