Congenital Alopecia
Congenital alopecia is a hereditary condition resulting in partial or complete hairlessness, often associated with dental anomalies, and is a defining trait in certain hairless dog breeds.
Detailed Description
Common Symptoms
- Hairlessness or sparse hair on head, feet, and tail
- Missing or malformed teeth
- Dry, sensitive skin prone to sunburn and injury
Management Options
- Skin protection with clothing and sunscreen
- Regular dental care and cleaning
- Management of secondary skin infections
Frequently Asked Questions
Is hairlessness in PIOs a disease?
No, it is a breed-defining trait, but it does require special care.
Are all PIOs hairless?
No, there is also a coated variety without these issues.
Can hairless PIOs have dental problems?
Yes, missing or malformed teeth are common.
How do I protect my PIO’s skin?
Use dog-safe sunscreen, protective clothing, and avoid prolonged sun exposure.
Can hairless PIOs be bred together?
No, this can result in lethal gene combinations; always breed hairless to coated.
Condition Details
Typical Age of Onset
Congenital (present at birth)
Testing Available
Yes
Diagnosing Methods
Physical examination; Dental radiographs; Genetic testing for FOXI3 mutation
Preventative Measures
Responsible breeding to avoid homozygous lethal combinations; Sun protection; Regular dental checkups
Related Conditions
Alopecia X, Endocrine alopecias