Here are some possible reasons why your dog might be experiencing these symptoms:
Allergies:
* Food allergies: Reactions to certain ingredients in their food.
* Environmental allergies: Pollen, dust mites, mold, etc.
* Contact allergies: Irritants like flea collars, shampoos, or even plants.
Parasites:
* Fleas: Cause intense itching and can lead to skin irritation and sores.
* Mites: Can cause mange, a skin condition that results in hair loss, scabbing, and sores.
* Ticks: Can carry diseases and cause skin irritation.
Skin infections:
* Bacterial infections: Often occur after a skin injury or in conjunction with allergies.
* Yeast infections: Can cause red, itchy, and flaky skin.
Other possibilities:
* Hormonal imbalances: Can cause skin problems.
* Autoimmune disorders: The body attacks its own skin cells.
* Stress or anxiety: Can lead to scratching and licking, which can damage the skin.
* Dry skin: Can make the skin more susceptible to irritation and infection.
Please remember: It's crucial to take your dog to the vet for a proper diagnosis and treatment. They will be able to determine the underlying cause and recommend the best course of action.