Here are five common allergies in dogs ... and inflammation at the site of contact. Dogs with contact allergies may develop rashes or hives, and the affected areas can become swollen or blistered.

POLLEN: Pollen is what triggers Romeo’s allergies. An allergic reaction to pollen can cause swelling and itching. A dog’s ...

At a follow-up appointment, doctors found 'the rash cleared up quickly'. Hookworms live in the intestines of infected dogs and cats ... It's especially common in the feet, buttocks, thighs ...