Pinnal Alopecia

What is Pinnal Alopecia?
This condition, which usually starts when the dog is between 6 months and 3 years, is a progressive loss of hair on the ears. The hair on the rest of the body is normal. It is considered a type of canine pattern baldness.

How does my dog get Pinnal Alopecia?
The cause is not known at this time; however, a genetic basis is suspected.

How do I know if my dog has Pinnal Alopecia?
Affected dogs are usually under a year of age, and most often are Dachshunds. The hair of the ears becomes progressively thinner, and the exposed skin becomes very dark. A few tiny hairs may remain. The edges of the ears may have small sores and may bleed. Your veterinarian will perform skin scrapings and other tests to rule out other causes such as mange mites or endocrine disorders.  A biopsy of the affected skin is the best way to diagnose the condition.

What can I do about Pinnal Alopecia?
No proven treatment exists, but there are reports that melatonin improves the condition in many dogs.

Is there anything I can do to prevent my dog from getting Pinnal Alopecia?
There is no prevention.

Are there certain breeds that get Pinnal Alopecia more often?
Pinnal alopecia is most commonly seen in the Dachshund but is also seen in Boston Terriers, Whippets, Italian Greyhounds and Chihuahuas, among others.