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Cover the genital area with waterproof covering during the first few days, when taking a shower or bathing, and keep the area very clean when using the restroom. The wound needs to be kept dry to facilitate quick healing. Your doctor will offer more specific instructions and topical medication, but in general you'll want to keep the area as clean and dry as possible. You may be catheterized for a few days after the procedure in order to aid in keeping the penis dry. Your doctor will remove your catheter once the healing has begun. Change your underwear throughout the day to keep the area very clean. Also wear loose fitting clothing around the area to keep air circulating regularly. Avoid tight fitting jeans, and consider some cotton short pants or other loose clothing. You can use surgical vaseline to keep the area from sticking to clothes or gauze. The doctor will probably prescribe analgesic cream or other topical ointments, and apply them regularly as directed. You may also want to add some petroleum jelly to the area to avoid chafing during your recovery.
Keep the area clean and dry. Wear loose cotton underwear. Use medication as directed.