The effectiveness of treatment of erectile dysfunction with Viagra

In April 1998 have began various clinical trials of the drug Viagra (sildenafil citrate). This date may be considered the beginning of a new period in the field of fundamental and clinical medicine. Viagra - the first effective and safe oral medication for treating erectile problems.

Medicinal properties of Viagra have been discovered by chance during clinical trials. Originally, it was tested as a remedy for angina. However, the drug Viagra did not bring great results, but showed an interesting side effect of improved potency. This immediately attracted the attention of physicians, and they became to study materials included in the product.

Appearance in the sale of Canadian Viagra has caused a great interest in the world. Many millions of patients with erectile dysfunction have used Viagra and again got the opportunity to live a normal sex life. Throughout the world have been conducted numerous clinical trials of Viagra, which confirmed its effectiveness.

The drug Viagra from Canada online pharmacy is safe for patients with hypertension, which is also shown in the experiments. The drug has a good effect on the potency of patients with this disease. Viagra works with no less success in smokers and depressed patients. Moreover, Sildenafil has a positive effect on the potency of men suffering from multiple sclerosis, Parkinson's, spinal cord injuries, diabetes and underwent surgery on the prostate.

However, in certain number of patients with erectile dysfunction Viagra does not cause positive changes. Often this is due to wrong mode of treatment. Viagra should be taken on an empty stomach half an hour before the alleged sexual contact (not later). The drug is effective only under the influence of sexual arousal. At the initial stage of treatment, the dose can be quite high (100mg), in addition, it was noted that the effect of the drug often begins to appear after 6 - 8 intakes. So, wait for lightning-fast action of Viagra is often not necessary, much depends on the individual.

There are still debatable questions about the possibility of long-term use of Viagra. According to studies, most patients reported continued positive impact of its use in the next 2-3 years, although some patients have had to increase the initial dose to maintain the same efficiency. Also, a small portion of patients had to abandon the use of Viagra Canadian pills in connection with the reduction of the effect of its application. Studies, conducted in clinical laboratories, showed no reduction in long-term effectiveness of Viagra use.