A gum boil is a painful, swollen bump filled with pus on your gums. Poor dental hygiene and injuries to the gums can lead to gum boils. You need to see a healthcare provider to treat a gum boil. A gum ...

A boil, also known as a furuncle, is a swollen, pus-filled growth on the skin that occurs when bacteria—even those normally found on your body—infect a group of hair follicles. Boils commonly develop ...