At the beginning of 1998 the World Health Organization and FDA approved a new drug Sildenafil for the clinical use which became famous under the trade mark Viagra afterwards. The appearance of Viagra on the pharmaceutical market was telling not only about the appearance of the new medical product. This even changed the notion about the treatment of the sexual dysfunction of men and marked a real breakthrough in the fundamental and clinical spheres, and also in the social perception of the sexual pathology.
What is Viagra? Viagra Lawrence (Sildenafil citrate) is the first peroral remedy for the treatment of the erectile dysfunction. The clinical studies of this drug proved that it effectively and safely restores and maintains the erection of the man on the level which is needed for the sexual contact. The best pharmacologists of one of the most popular and technically developed pharmaceutical Pfizer company worked on the creation of Viagra. Having spent several years and milliards of dollars they managed to create a drug which helped men to return the erectile function in 100% of cases, and now Viagra is regarded an irreplaceable medication for men.
History of Viagra appearance: The history of the discovery of Sildenafil (Viagra Lawrence) is an example of how an accidental observation may provide a great effect to the course of the scientific progress. In the process of the development of the new drug for the treatment of the cardiovascular diseases the researchers of Pfizer Inc. noticed that people being tested experienced an interesting side effect which consisted in the improvement of the erectile function. Initially, the scientists did not understand the origin of this side effect and this was a reason of the further study of the pharmacological peculiarities of the future Viagra. In the course of the study it was found out that phosphodiesterase type 5 enzyme prevails in the cavernous tissue providing a significant effect to the blood circulation in the different organs. Sildenafil (Viagra) is a selective inhibitor of PDE5 enzyme. These studies helped to broaden that knowledge about the mechanism of the erection and its disorders which doctors had before. Buy Viagra Lawrence Pharmacy causing inhibiting of PDE5 enzyme improves the blood flow in the penis resulting in the erection.
Use of Viagra: The appearance of Viagra drew a wide response. A great number of the patients with the erectile dysfunction who did not return to doctors before got a hope for the recovery. And millions of men all over the world returned to the normal sexual life due to Viagra use at the moment. Now Viagra is taken not only for the treatment of the erectile dysfunction but also for the prevention of this disease at the mature and senior age, and also for the improvement of the quality of the sexual intercourses. Viagra causes a firm increase of the erection even in the healthy men and more vivid and completely new sensations. The dose of viagra Lawrence is chosen by means of the testing. The treatment is started from the minimal dose of 25 mg and it is gradually increased up to gaining the optimal therapeutic effect. The dose of Viagra may be both reduced and increased depending on the effect and tolerance of the drug. It is necessary to mention that the use of Viagra does not cause erection reflexively and the sexual stimulation is needed for the beginning of the action. The daily dose is only one tablet which should be taken one hour before the sexual intercourse. The action of the drug starts in 40-60 minutes after the use and is kept within 3-5 hours. 10 years passed from the moment of Buy Viagra Lawrence appearance, and the modern remedies for the treatment of the erectile dysfunction appeared which have the more universal properties but millions of men all over the world prefer this remedy. Buy Viagra Lawrence Pharmacy is an irreplaceable drug which may change a life of any man faced problems in the sexual life.