Click Here To Buy Now Sildenafil 200 is a medication used to treat erectile dysfunction (ED) in men. It contains Sildenafil Citrate, the same active ingredient found in , but at a higher dosage (200 mg) than typical Sildenafil tablets (which are usually 50 mg or 100 mg). Sildenafil is a PDE5 inhibitor, which works by relaxing the blood vessels in the penis, allowing for increased blood flow during sexual arousal, helping men achieve and maintain an erection.