Tadagra 20 mg is a medicine commonly marketed for the treatment of erectile dysfunction (ED) in adult men. It is associated with tadalafil, an active ingredient that helps improve blood flow to the penis and supports the ability to achieve and maintain an erection during sexual stimulation. Tadagra 20 mg may be prescribed to men who experience difficulty achieving or maintaining an erection sufficient for sexual activity. Tadalafil belongs to a group of medicines called phosphodiesterase type 5 (PDE5) inhibitors. It helps relax blood vessels and improves blood flow to the penis when a man is sexually aroused.