The famous Viagra quickly became popular among men. It has attracted interest of the pharmaceutical companies, engaged in the development of the new drugs. A great deal of work has been done over the years of research. The scientists created the analogs of the famous drugs. The main active substance of Viagra is Sildenafil. The price of Sildenafil in the drug store is very high,…
The most famous drug for the treatment of erectile dysfunction in men is called Viagra Pfizer. Its manufacturer and the owner of expired patent is the company “Pfizer”. The legendary original Viagra was based on Sildenafil, and its action lasted up to 4 hours after the intake. The initial dose for most men is 50 mg of Viagra. It must be taken 30-60 minutes before…
For a long time, pharmacy couldn’t offer any effective drug for the treatment of erectile dysfunction. But now as we have Viagra, you can feel like a real man again. Viagra action and effect The mechanism of action of Viagra is very simple. It increases the blood flow to the penis. So, the natural erection comes as a response to the sexual arousal. That is,…