Folliculitis ... Treatment may include draining the cyst or having it surgically removed. Pilar cysts can last for years or may go away on their own. Scalp psoriasis is a chronic skin condition ...

Some are chronic, meaning they can cause a recurring scab on the scalp in the same spot ... to scabbing and infection. The treatment for eosinophilic folliculitis varies depending on the severity.

Medically reviewed by Deeptej Singh, MD Yeast infections on the scalp are caused by an overgrowth of fungal organisms.