You should seek medical treatment for a boil if: Your doctor may also give you antibiotics to help the infection. Your doctor will likely perform minor surgery on the boil by making a small cut through the surface of the boil to drain out the pus that built up inside. If the ear boil doesn’t heal on its own in two weeks, it will need medical attention. Also, make sure the cloth is fairly dry as you don’t want to provide an environment for swimmer’s ear to occur. If you use a warm compress over your inside ear, make sure that it’s made out of medical cloth that’s clean.