Sildenafil is a drug that is intended to increase the quality of a man’s sex life. The purpose of the drug is to restore erectile function.
Development of sildenafil began in 1992 by the American company “Pfizer”.
This drug became the first medicine to increase sexual performance.
Initially, it was developed and tested as a means for treating cardiovascular diseases.
In the course of its research, it was discovered that its effect on the heart was insignificant.