suhagra 100 Tablet is a prescription medicine used to treat erectile dysfunction (impotence) in men. It works by increasing blood flow to the penis. Suhagra 100 mg Tablet relaxes the smooth muscles present in the wall of blood vessels and helps in increasing the flow of blood to the penis. This helps men to get or maintain an erection. It belongs to a group of medicines known as phosphodiesterase type 5 (PDE 5) inhibitors.