Medically reviewed by Marla Anderson, MD Key Takeaways A boil on the breast can form when bacteria infect a hair follicle.Do not pop a breast boil because it can spread the infection.Apply warm ...

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 ...