Malegra 200 is one of the best drugs that can be used to treat erectile dysfunction, the latest version of sildenafil citrate representing the fourth generation of phosphodiesterase inhibitors that work by controlling a chemical called PDE-5. This PDE-5 enzyme is responsible for reducing blood flow to the penis and causing erection loss during sexual activity with a female partner. Helps men achieve a strong erection and long-lasting during sexual activity.