Dogs suffering from canine distemper will have neurological symptoms, such as convulsions, salivation, unsteady walking, head shaking, etc. At this time, emergency injection of sedative drugs is required for control, and antiviral drugs such as interferon and monoclonal antibodies are used, as well as antibiotics. Medicines and infusions replenish the water and various nutrients the body needs.

Ear mites are one of the most common parasites shared by dogs and cats. They are highly contagious and spread very quickly. The worms in ear mites lay eggs directly in the ears of dogs and grow and spread. The reproduction speed is very fast. Ear mites hide in the dog's ear canal for a long time. The chemicals they secrete are very uncomfortable for the dog and will continue to stimulate the dog's nerve endings. Dogs with ear mites will have ear mites. A very strong odor will also make dogs shake their heads.