Hair loss can be caused by an underlying disease, or hairs may also break off due to over-grooming or an imbalance of the skin barrier's ecosystem.
Common conditions causing hair loss:
- Flea-bite hypersensitivity or other external parasites
- Fungal infections such as ringworm or bacterial overgrowth
- Allergies (atopy, food, contact)
- Stress or over-grooming
Less common causes include sebaceous adenitis, autoimmune disorders, Cushing’s disease, and cancer.
Have you noticed bald spots or areas with thin hair density? The underlying skin of that area can seem normal or it can show redness, bumps, scabs, and crusts. Sometimes, the condition is itchy and the cat will constantly lick or scratch the area causing alopecia.
Note that a decreased hair density between the eyes and ears can be completely normal. If you notice a change in your cat's hair or skin, contact your veterinarian for a consultation to address the problem.