My Dog Has A Cyst On His Head. Epidermal inclusion cysts, also known as epidermoid cysts, follicular cysts, or sebaceous cysts, are the most common type of cysts in dogs. Witch hazel is a very gentle astringent plant that will dry up secretions and therefore stop oozing.

Histiocytomas look scary but they are not dangerous.raised, red, and sometimes ulcerated, these benign growths are not usually painful or itchy for dogs.surgical treatment is. A sebaceous cyst is a dilatation (opening) of the ducts within the sebaceous glands that causes fluid to accumulate. In very young dogs, sebaceous cysts will usually appear on the top of their heads.