Why Is My Cat Losing Hair
This page is educational reference material for preparing questions. A licensed veterinarian examines the animal, makes the diagnosis, and sets the treatment.
Cat hair loss (alopecia): overgrooming, allergies, ringworm, hormonal issues, and stress. Diagnosis and treatment options.
Understanding This Symptom
As a cat owner, noticing changes in your pet's behavior or health is the first step to getting them the help they need. This guide focuses on the most common causes, warning signs that indicate an emergency, and what you can expect at the veterinarian.
When to Seek Emergency Care
Emergency-now signs include open-mouth breathing, seizures, collapse, uncontrolled bleeding, and sudden loss of rear-limb function. Do not wait these out.
Common Causes
Less Serious Causes
More Serious Causes
- Poisoning or toxic exposure
What to Watch For
- Lethargy or reluctance to move or play
- Vomiting, diarrhea, or changes in stool
Home Care and First Steps
Veterinary Diagnosis
Your veterinarian will typically:
- Perform a thorough physical examination
Treatment Options
Prevention
Long-Term Management
When to Get a Second Opinion
Related Symptom Guides
- Why Is My Cat Not Eating?
- Why Is My Cat Vomiting?
- Why Is My Cat Hiding?
- Why Is My Cat Sneezing?
- Why Is My Cat Losing Weight?
Key Questions
Should I go to the emergency vet?
Go sooner if the hair loss is from the cat pulling fur out in clumps and also crying, or if the skin is full of abscesses and the cat has a fever. Symmetric thinning in a comfortable cat can be scheduled this week.
How much will treatment cost?
The visit looks for fleas, ringworm, and a hormonal pattern. A fungal culture, a skin scraping, and thyroid or adrenal bloodwork are chosen based on the pattern. Ask which test matches a bald belly versus a patchy itchy coat.
Can I treat this at home?
Check for flea dirt and note whether the cat is overgrooming one spot. Ringworm can spread to people, so wash hands. Stop new sprays and scented diffusers in the room where the cat sleeps.