Canine influenza, or dog flu, is a respiratory disease caused by influenza viruses that are contagious to dogs. There are two different influenza Type A virus strains that cause flu in dogs, H3N8 and H3N2.
Ringworm (dermatophytoses)
Demodectic Mange in Dogs
Ear Infections in Dogs
Infection of the outer ear canal is the second most common reason for veterinary visits according to the Veterinary Pet Insurance company. This is a painful condition and dogs usually present for rubbing or scratching at their ear or head, head-shaking, and sometimes malodor. The ears can become red, have discharge, and the ear canal can become narrowed and thickened from chronic inflammation.