Dog Red Bump That Looks Like A Blister. It could be an infection, cyst, allergic reaction, or mass. My dog has a red looking wart on the inside of leg, doesn't to bother her, almost looks like a blood filled skin tag.
It initially looked more red, like it was a blood blister, but the color has faded somewhat. The bump will probably appear pink or red, and it may even look like a big pimple. I'll do all i can to help.
Red Bump On Dogs Head. Abscesses are usually caused by a skin wound to the skin that becomes infected, according to petmd. These are hard, immovable lumps on dogs.
Learn more about skin cancer in dogs. Skin cancer in dogs encompasses a broad category of tumors that includes any uncontrolled growth of cells of the skin or associated structures such as glands, hair follicles and supportive tissues (fat and connective tissue). Tumors may develop on the nose, legs, and/or paws.