Problems during erection come with a long time in life. You are a drug known for sildenafil. cenforce 200mg is a high-dose medicine. Sex with your partner has the ability to exercise. Take the medicine 30 minutes before you engage in sexual activity. It mixes in the blood and relaxes the muscles. It takes effect in 4-6 hours with long duration. It provides protection for men. Take the medicine as per the doctor's advice.