Welcome to Healthcare Magic You may require medicine to dilate the arteries to prevent problems in erection as atherosclerosis of the penis can impair erection and also cause pain otherwise. You need to eat fat free diet. Eat plenty of fresh fruits and green leafy vegetables as they remove lipids and cholesterol from the body. Take anti-lipid medication as advised by your doctor. I didn t quite understand what problem you are facing. Is there any redness, swelling and pain of your glans penis. If yes, there could be critically decreased blood supply which may need surgical intervention like bypass surgery to bypass the obstruction.