However, here are some potential causes of hair loss in those areas:
Allergies:
* Atopic Dermatitis: This is a common allergy that can cause hair loss, itching, and skin irritation.
* Food Allergies: Certain food ingredients can trigger allergic reactions, leading to hair loss and other symptoms.
* Environmental Allergies: Allergens like pollen, dust mites, and mold can cause skin reactions and hair loss.
Skin Infections:
* Bacterial or Fungal Infections: These can cause hair loss, redness, and scaling on the skin.
* Mange: This is a contagious skin infection caused by mites that can lead to hair loss and skin problems.
Other Causes:
* Hormonal Imbalances: Thyroid problems or other hormonal issues can sometimes cause hair loss.
* Parasites: Fleas, ticks, or other parasites can cause hair loss and irritation.
* Nutritional Deficiencies: A lack of certain nutrients can affect hair growth and lead to shedding.
* Underlying Medical Conditions: Some diseases, like diabetes or kidney disease, can manifest with hair loss as a symptom.
* Trauma or Injury: A scrape, wound, or other injury can cause hair loss in the affected area.
It's important to note that this is not an exhaustive list, and other factors could contribute to hair loss. A veterinarian can perform a thorough examination, run tests if necessary, and determine the most likely cause of your dog's hair loss. They can then recommend the best treatment options based on the diagnosis.