Generic ViagraViagra is the medical product which is intended for intake and discharged in the form of small blue tablets, reminding a brilliant by shape. Depending on the maintenance of operating substance they may be 25, 50 or 100 mg. Accept viagra one tablet an hour-one and a half before sex. It is connected with that the maximum influence of a preparation becomes perceptible approximately in an hour after its reception. This period may be reduced, if you have accepted a pill on an empty stomach and on the contrary, the food (especially the fat food) postpones othe approach of an active phase. As a rule, the effect from viagra lasts some hours. If erections at you have remained, but they arise irregularly and you are not assured of their firmness, then your chances, that viagra will help to reach easier and to support firmer erections, make more than 95 %. If erections at you do not arise or they are absolutely unsatisfactory, all the same, you save 70 percent chances that you receive quite adequate and efficient erection. » Read more >>,» Product FAQ |
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Viagra
The preparation for impotency treatment sildenafil, more known as "Viagra", is capable to raise the level of hormone of oxytocin in blood. The discovery of the American scientists is the first certificate of that the preparations intended for restoration of an erection, can influence on the quality of an intimate life not only at the expense of increase of blood inflow to genitals.Oxytocin, which is often called “a love hormone”, plays the important role in regulation of the psychophysiological processes connected with genesial functions. It causes uterus reductions at childbirth and stimulates a lactemia, and also promotes formation of emotional attachment between mother and baby. Besides, both at men and at women oxytocin is discharged by a hypophysis during an orgasm.
Dischrge of oxytocin in blood by a hypophysis is regulated by phosphodiesterase – enzyme which is also responsible for narrowing of a lumen of blood vessels. Last circumstance also has made inhibitors of phosphodiesterase 5 – sildenafil and its analogues – an effective medicine for an impotency. Blocking enzyme action, they strengthen blood inflow to a penis, enlarging force and duration of an erection.
As the author of the research Meyer Jackson explains, the found out by-effect of a preparation can hardly represent a threat for the consumer. At the same time, the scientist continues, the influence of sildenafil on oxytocin synthesis in a brain hypothalamus still remains unknown. If such influence really exists, it can mean that mechanisms of action of modern medicines for erectile dysfunction are much more various and are not settled by restoration of blood inflow to genitals.
Experiments on animals have shown, that the hormone oxytocin can play the important role in formation of social behaviour, and also connection between sexual partners. At the same time possibilities of sildenafil find more and more wide application in medicine. For example, preparations based on sildenafil are used for treatment of a pulmonary hypertensia. And the results of the recently carried out research specify that this preparation is capable to reduce negative consequences of disturbance of daily rhythms.
By-effects of application of viagra have generally gentle disposition. The most frequent among them are the headache, the raised salivation, dyspepsia (gastric disorders), stuffiness in nose and transient visual disorders (intensifying of dark blue colour gamma). These effects more often arise at application of big doses of a preparation and less often prove at dose reduction.
Absolutely clearly, that to the patients, accepting nitroglycerin and other nitrates, the consumption of viagra is contraindicative. And it is not just a simple warning. It can cost to you a life! The preparations containing nitrates are issued under various trade marks, therefore before starting to accept Viagra it is absolutely necessary to consult with the doctor and the pharmacist to be convinced, that you do not use such preparations.
What is the shelf life of the pills?
- The expiry date is mentioned on each blister. It is different for different batches. The shelf life is 2 years from the date of manufacture and would differ from batch to batch depending on when they were manufactured.
