Cenforce 100 Sildenafil is a medication used to treat erectile dysfunction (ED). Its active ingredient, Sildenafil citrate, is a phosphodiesterase type 5 (PDE5) inhibitor that works by increasing blood flow to the penis, helping to achieve and sustain an erection in response to sexual stimulation. Typically, Cenforce 100 is taken about 30 to 60 minutes before sexual activity, with effects lasting up to four to six hours. Common side effects include headaches, flushing, nasal congestion, and indigestion. It’s important to use Cenforce 100 under the guidance of a healthcare provider to ensure it’s suitable for you and to manage any potential interactions or health concerns.