Silditop 100 mg contains sildenafil, a medicine used to treat erectile dysfunction (ED) in adult men. Understanding how the medicine works, its potential risks, and the importance of overall health can help promote better health awareness. Sildenafil belongs to a group of medicines called PDE5 inhibitors. It helps increase blood flow to the penis during sexual stimulation, making it easier for some men to achieve and maintain an erection. It does not increase sexual desire and does not produce an erection without sexual stimulation.