Malegra 25 mg is a medication used to treat erectile dysfunction (ED) in men. It contains sildenafil citrate as its active ingredient, which belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors. Malegra 25 mg contains sildenafil citrate, which works by increasing blood flow to the penis during sexual stimulation. This helps men with ED achieve and maintain an erection sufficient for satisfactory sexual activity.