Men have erectile dysfunction for a variety of physiological and psychological reasons. For those with erectile dysfunction there are three types of oral treatments: Viagra, Levitra and Cialis.
Viagra is the product of an "accident". It was originally intended to be a medicine for those suffering from blood circulation disorders. During the tests on volunteers, almost all reported an improvement in erections. Thus, the situation was deepened and in the end came Viagra, the drug that stimulates the appearance and maintenance of an erection until the consumption of the sexual needle. Its use has been approved by the FDA (Food and Drug Administration) since 1998.
How it works: Viagra acts on the tissues and blood vessels, making them more elastic and thus allowing access to a larger amount of blood. As a result, the penis grows in size and stiffness. The drug reacts this way only if there is a sexual stimulus. When the sexual intercourse is over or the arousal disappears, the effect of the drug also disappears.
There is some evidence that Viagra has a similar effect in women, allowing intense vascularity in the erectile tissue of the clitoris. The effects of the tests on the effects of the drug on women (performed by Pfizer, the company that discovered Viagra) were unconvincing. Although the FDA has not approved the use of Viagra for women, there are doctors who prescribe these pills to women with physiological dysfunctions. They do not recommend under any circumstances such treatment to women with psychological dysfunctions.
Viagra is not an aphrodisiac nor is it a medicine that is taken regularly as a regular cure. Viagra is a pill that is administered orally only when anticipating sexual activity. The pill is taken about an hour before the event, and the effect lasts up to 4 hours. These periods do not apply to all those who consume these pills, they are statistics. Depending on the body's absorption and elimination capacity, the time intervals may be different. The drugs are manufactured in three dosages: 25mg, 50mg and 100mg.
Contraindications:
- If you are taking nitrate-based medicines you should not take Viagra, not even occasionally! The main reason is the drastic drop in blood pressure.
- NO alcohol should be consumed, not even in small quantities!
Side effects:
- headache.
- gastric discomfort.
- congestion of the nasal mucosa.
- taken in large doses may cause vision problems.
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