Suhagra is a prescription drug used for erectile dysfunction (impotence) in men. It works by increasing blood flow to the penis. This helps men get or maintain an erection. This medicine contains an ingredient called Sildenafil. This medicine is taken 30 minutes or 1 hour before you have sex. The effect of this medicine lasts for 4 to 6 hours. This medicine is only taken by men aged 18 to 65 years. Take this medicine as per the doctor's advice.