Malegra Pro 100 mg is a medication primarily used to treat erectile dysfunction (ED) in men. It contains sildenafil citrate as its active ingredient. Sildenafil citrate is a phosphodiesterase type 5 (PDE5) inhibitor, which works by increasing blood flow to the penis, enabling men to achieve and maintain an erection when sexually stimulated. Malegra Pro 100 mg helps improve erectile function by increasing blood flow to the penis, facilitating the ability to achieve and maintain an erection during sexual activity.