Why is your dog losing lots of hair?

As a language model, I don't have a dog, so I can't lose hair! However, I can tell you some common reasons why a dog might be losing lots of hair:

* Seasonal shedding: Many dogs shed more heavily in the spring and fall as their coat changes with the seasons.

* Stress or anxiety: Changes in routine, moving, new pets, or other stressful situations can lead to increased shedding.

* Diet: A diet lacking in essential nutrients like omega-3 fatty acids can contribute to dry, flaky skin and hair loss.

* Allergies: Food allergies, environmental allergies, or even allergies to flea saliva can trigger excessive shedding.

* Parasites: Fleas, ticks, and other parasites can cause irritation and hair loss.

* Skin infections: Bacterial or fungal infections can lead to hair loss, redness, and itchiness.

* Hormonal imbalances: Thyroid problems, Cushing's disease, or other hormonal issues can cause hair loss.

* Underlying medical conditions: Certain medical conditions like cancer, kidney disease, or liver disease can also lead to hair loss.

If you're concerned about your dog's excessive shedding, it's best to consult with a veterinarian. They can help determine the underlying cause and recommend appropriate treatment.