Suhagra-25 Tablet 4's works by relaxing the blood vessels in the penis, thereby allowing the blood to flow into the penis when the person is sexually excited. Thus, Suhagra-25 Tablet 4's helps treat erectile dysfunction. Suhagra-25 Tablet 4's relaxes the blood vessels, increases the blood supply to the lungs and reduces the workload of the heart. Thereby, treating pulmonary hypertension. . Do not drive or operate machines while you are under treatment with Suhagra 25 MG Tablet.Suhagra-25 Tablet 4's belongs to the group of medicines called phosphodiesterase type-5 (PDE 5) inhibitors primarily used to treat erectile dysfunction (impotence) in adult men