Dealing with cystic acne can be painful and scarring — physically and mentally. Cystic acne gets its name from cysts, which are pus-filled pimples. They're typically large, painful and set deep ...

Cystic acne happens when the infection goes deep into your skin, creating a red, tender bump that's full of pus. Learn more about the causes, treatment, home remedies, and prevention of cystic acne.