I am a 70 year old diabetic on insulin. I smashed my big toe about a week ago. Toe is not broken and there was no bleeding. I iced it daily for a few days and am wearing an open toed sandal because if there I put any pressure on the top of the toe, it hurts. Naturally it immediately turned black and blue but the nail turned whitish. Yesterday, it started to drain watery blood. I used hydrogen peroxide to clean it. After about 5 hours of intermittent draining and cleaning, it has stopped draining. My question is, can I treat this myself by continuing as I have been doing and see if the nail falls off on its own, or should I make an appointment with either my Internist doctor or my foot doctor?