Erectile dysfunction treatment pills in men. Take the medicine only if you are above 18 years of age. Sildenafil is the pill used in the main part. Take the medicine 1 hour or 30 minutes before you engage in sexual activity. The medicine works better if taken with food. It provides more relaxation in the vascular tissue. Gives more protection to your partner. cenforce 200 mg has an immediate effect. It helps in erection with a long duration.