Is My Pet’s Hair Loss Hormonal or a Skin Problem?
Hair loss in dogs and cats comes from two very different places: hormonal (endocrine) diseases like low thyroid or Cushing's, and skin (dermatologic) problems like allergies, parasites, or infection. Endocrine hair loss tends to be symmetrical and non-itchy, with thinning across the flanks or tail base and a coat that just is not growing back. [...]

