You may be able to relieve severe, throbbing pain by draining blood from under your nail. This procedure is not necessary and is not recommended if you are not having pain. This procedure is safe if done properly.
Do not do this procedure unless you are confident you can do it without burning yourself. If you don't do it properly, you could burn yourself and cause permanent nail damage.
Do not do this procedure if you have diabetes, peripheral arterial disease, or a disease that causes problems with your immune system.