Viagra is a real salvation for many men! Any normal man is frightened by thoughts of insolvency in the intimate sphere. And yet, such a delicate problem as impotence, is not uncommon even among young men of the stronger sex, and with age, the risk of its occurrence only increases. Fortunately, in an age of modern achievements, erectile dysfunction is no longer a verdict. There are many effective medicines that can establish a quality sexual life, and the most famous among them, unquestionably, is Viagra.

Viagra: the drug

About the drug Viagra, probably everyone heard. He appeared almost 20 years ago and to this day has not lost his position among the means that increase potency. The curious fact is that initially this drug had a completely different purpose – it was developed as a cardiac medicine. However, in this direction of success, this tool was not received, but it revealed one unusual side effect, due to which he got his popularity. Viagra has become a truly revolutionary drug in the field of treating impotence, and its developers were awarded the Nobel Prize for their accidental discovery.

The action of Viagra

In order to understand the essence of the action of Viagra, consider the mechanism of erection in men. At the moment of excitation, nerve impulses, by means of special carrier chemicals, are sent from the brain towards the penis. Having reached the destination, these substances are released and relax the musculature of the organ. Relaxation of the muscles contributes to the expansion of the arteries and an increase in the flow of blood to the body and, as a consequence, its increase (erection).where to buy generic viagra reviews

The reverse process is caused by the action of another chemical substance, the phosphodiesterase type 5 enzyme. It destroys the compounds that relax the muscles, which in turn leads to a decrease in blood flow and the return of the sexual organ to a state of lethargy. The action of Viagra is aimed at blocking this enzyme. In this case, the major part of the chemicals involved in erection remains undisturbed, so the blood in the required amount unhindered enters the penis, providing a steady erection throughout the sexual intercourse.

Time to achieve the desired effect in men may be somewhat different, where to buy generic viagra reviews, but in most cases the gap between the use of Viagra and the onset of its action is about half an hour. Typically, the effect lasts for four hours, but it especially manifests itself in the first 2 hours.

There is an opinion that Viagra can act without stimulation, however, based on the above, it can be concluded that this is not the case. Erection occurs only in the presence of excitatory factors, and Viagra only supports this process.

Viagra: composition

The main active ingredient in the composition of Viagra is sildenafil citrate. As auxiliary and formative substances are used:

  • hypromellose,
  • croscarmellose sodium,
  • hydrogen hydrogen phosphate,
  • magnesium stearate,
  • lactose,
  • microcrystalline cellulose, etc.

Viagra: the application

The use of Viagra is advisable in cases of erectile dysfunction caused by organic, psychogenic or mixed factors. Long-term use of Viagra does not affect the body and does not depress the sexual functions of men. The drug can be used even in old age, and, as a rule, dose adjustment in this case is not required. Usual Viagra is intended exclusively for men.

Viagra is designed to improve the erection. The reasons for a bad erection may be:where to buy generic viagra reviews

  • age,
  • obesity,
  • depression,
  • stress,
  • smoking,
  • alcohol,
  • features of the body.
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