Ask Dr. Rene'Ask Dr. Rene'

Ask Dr. Rene'

The Feline Allergy Learning Center

Cats rarely show allergies the way dogs do. Instead of obvious scratching, they overgroom, lose hair, develop tiny scabs, or create sores you only notice once the damage is done. This is a veterinarian's walk-through of what causes feline itching, how it's diagnosed, and what actually helps.

10 partsAbout 136 minutes of reading

Start here

Part 1: Why Is My Cat Itchy? A Veterinarian's Guide to Feline Allergies

Cats don't always show allergies the way dogs do. Overgrooming, hair loss, scabs, and head or neck scratching can all be signs of allergic skin disease — but allergies aren't the only reason cats itch.

Start the series

All parts, in order

  1. 1Part 1 of 10Why Is My Cat Itchy? A Veterinarian's Guide to Feline AllergiesCats don't always show allergies the way dogs do. Overgrooming, hair loss, scabs, and head or neck scratching can all be signs of allergic skin disease — but allergies aren't the only reason cats itch.
  2. 2Part 2 of 10Why Is My Cat Licking All Their Fur Off?Overgrooming, hair loss, and what your cat may be trying to tell you — how allergies, fleas, skin disease, pain, and stress can all lead a cat to lick their fur away.
  3. 3Part 3 of 10Flea Allergy in Cats: Why One Flea Can Cause a Huge ProblemWhy you may never see a flea on a cat with flea allergy — how flea allergy dermatitis causes itching, overgrooming, scabs, and hair loss, even in indoor-only cats.
  4. 4Part 4 of 10Food Allergies in Cats: Is Chicken Really the Problem?What feline food allergy actually looks like, why the ingredient list can't diagnose it, and how a veterinary elimination diet trial and dietary challenge give real answers.
  5. 5Part 5 of 10Environmental Allergies in Cats: When the Problem Isn't the FoodPollen, dust mites, and mold can affect indoor cats too. How feline environmental allergy looks, how veterinarians diagnose it, and why allergy testing isn't the first step.
  6. 6Part 6 of 10Treating Allergies in Cats: Building a Plan That Actually WorksMedications, topical care, immunotherapy—and why the best feline allergy plan is usually several coordinated pieces rather than one miracle medication.
  7. 7Part 7 of 10Why Does My Cat Keep Getting Ear Infections?Recurring ear problems in cats can come from mites, yeast, bacteria, allergies, polyps, or structural disease — why the cause determines the treatment.
  8. 8Part 8 of 10Why Does My Cat's Allergy Treatment Keep Stopping Working?Allergy flares happen even when treatment is still helping. Learn what pushes a cat over their itch threshold and why the answer isn't always stronger medication.
  9. 9Part 9 of 10Helping Your Allergic Cat at HomeWhat actually helps an allergic cat between veterinary visits—and which popular “allergy remedies” deserve caution before you spend money on them.
  10. 10Part 10 of 10My Cat Has Allergies—What Happens Next?What successful long-term allergy management looks like in cats, how to tell whether the plan is working, and when it is time to reassess.