What causes dogs to itch?

Allergies. When dog scratching gets out of hand, it is often the result of allergies to food or environmental triggers, including mold and pollen. Dogs may also develop a skin irritation called contact dermatitis when they encounter substances like pesticides or soap. Boredom or anxiety . read more

Compulsive scratching, licking, and chewing behaviors are quite common in dogs and have a variety of causes. They can also be harmful. One of the first signs your dog has a problem might be the development of a “hot spot” -- a red, wet, irritated area that arises from persistent chewing, licking, scratching or rubbing. read more

Dogs may develop allergies that cause extreme itchiness. The allergies can be treated with antihistamines or allergy shots, and by reducing the dog's exposure to the allergy-causing factors. Even if the dog's skin is dry and irritated, it may be itchy. read more