The cysts are often not painful, unless they become inflamed or infected. An epidermoid cyst that is inflamed can be injected with steroids. This can reduce inflammation and the cyst may not need to be drained.

Why does my epidermoid cyst hurt?

Inflammation. An epidermoid cyst can become tender and swollen, even if it's not infected. An inflamed cyst is difficult to remove. Your doctor is likely to postpone removing it until the inflammation subsides.

How long does it take for an epidermal cyst to go away?

The packing will need to be removed. Once the pus is drained, antibiotics may not be needed unless the infection has spread into the skin around the wound. The wound will take about 1 to 2 weeks to heal, depending on the size of the abscess.