Sebaceous cysts in dogs

Small, benign lumps under the skin that form when an oil gland or hair follicle becomes blocked and fills with a thick, cheesy material. They are usually harmless but can rupture, become infected or need removal if they bother the dog.

Note. Breed associations are compiled from RVC VetCompass / AKC / PDSA and are indicative, not a diagnosis or veterinary advice. Browse all conditions or the breed directory.