Pimple On Dog's Ear. Nothing to be concerened about unless they form large ones around joints. Canine dermatitis is a term that is used to describe inflammation of the skin and is a general frequently used term.

Dog pimples or canine pimples if you like are often indicative of dog acne a common inflammatory benign a non-cancerous skin condition that is associated with dog puberty. One type of superficial bump on your dogs skin is a sebaceous cyst which is a plugged oil gland in the skin. The formation of scabs on a dogs ears is called ear dermatitis.
There are some issues that could cause bumps on the inside of a dogs ear flap and not appear as a problem anywhere else such as an insect bite.
The tumors of the ear. If it bursts a white paste-like or cottage-cheese-like material is seen. The growth doesnt seem to cause her pain. Just the lump is red with the rest of the ear normal.