Hi Sendil, Welcome to HealthcareMagic Forum. What is your Height and Weight? First get yourself examined by a Urologist, So that he can examine you thoroughly and Prescribe Medications, as they are Prescription medicines and cannot be Prescribe without Proper physical examination. Your Doctor will test your Blood sugars and Blood Pressure, as abnormal readings can cause Erectile Dysfunction. Stick to your treatment plan and go for regular follow up. If you smoke or drink, QUIT. Exercise regularly and eat healthy nutritious balanced diet which should include fresh fruits and Green leafy vegetables and maintain a healthy weight if you are overweight. Avoid stress and Practice relaxation techniques like Yoga and Meditation. Wish you Good Health and Good Luck.