Why Is My Dog Losing Hair On Her Tail And Back Legs?

Condition of hair loss in dogs is always due to underlying cause. Parasites and allergic reactions are common causes of hair loss in dogs. Major causes of hair loss in dogs are

1. Scabies/mange
2. Lice
   
3. Flea allergy
4. Ringworm
5. Food allergy
6. Allergy to pollens and molds
7. Hormonal imbalance
8. Autoimmune skin disease

Take you dog to vet because he requires differential diagnosis for accurate treatment.

I would definitely take the dog to the Vet and they may have a simple solution.  BUT, there is such a disease called Mange and if the dog has this it can be fatal.  Hair loss on the hind area is a symptom.  It's important to have the pet checked by a doctor just to be safe.

Allergy to many conditions like food, fleas, lice, chemical, pollens, scabies etc can cause hair loss in dogs. Ringworm infection is another major cause. Autoimmune skin disease and endocrine problems can also cause hair loss. So, your dog needs to be investigated by the vet for accurate diagnosis and proper treatment.

Hair loss in dog not only on tails but from all over the body is due to many irritants that cause itching and licking. There are many irritants that can cause loss of hairs in dogs. These are

1. Flea infestation
2. Allergy to pollens, molds, and foods
3. Mange
4. Lice infestation
5. Pyoderma
6. Ringworm
7. Cushing's disease
8. Endocrine diseases
9. Autoimmune skin diseases
10. All skin diseases

So, your dog should be examined by the vet for accurate diagnosis and treatment.