7 Signs of Feline Hyperthyroidism

Some symptoms of feline hyperthyroidism are easy to overlook.

It may be tricky to notice subtle symptoms, but the combination of symptoms points to feline hyperthyroidism. Early intervention is your best course of action for treating your cat’s hyperthyroidism.

Learn the signs so you and your veterinarian can plan the best course of treatment for your cat!

  1. Weight Loss – If your cat is maintaining a healthy appetite, or eating more than usual and still losing weight, he or she could have feline hyperthyroidism. If you suspect your cat is losing weight visit your veterinarian. Your cat’s weight is documented during wellness exams so your veterinarian can easily track changes in your cat’s weight.
  2. Greasy or Matted Coat – Has petting your cat gotten a little unpleasant because the coat isn’t quite right? Don’t write-off changes in your cat’s fur as simply a grooming issue. Cats suffering from feline hyperthyroidism are likely to develop a greasy or matted coat.
  3. Increased Water Drinking – One of the sounds of feline hyperthyroidism is the incessant lapping sound coming from your cat’s water dish. Cats with hyperthyroidism are chronically thirsty. If your cat can’t seem to get enough water, it’s time to schedule an appointment with your veterinarian for a thyroid check.
  4. Lumps in the Throat – While you’re enjoying a cuddle with your cat, make it a habit of walking your fingers down the sides of his or her throat. Some cats with hyperthyroidism have lumps, or masses, you can feel in your cat’s throat. Make sure you share your cat’s history of lumps and bumps with your veterinarian.
  5. Too Much Energy – If your elderly or middle-aged cat has launched into a second childhood, you may have a problem. Your cat’s behavior may not be the only thing “hyper.” His or her thyroid may be zooming off the charts as well. Bring your cat in for a thyroid check to get to the bottom of sudden hyperactivity.
  6. Vomiting & Diarrhea – Is it a few extra hairballs and a finicky stomach or could it be a warning sign? Vomiting, with or without, diarrhea can be a sign of your cat’s thyroid working overtime. If your cat is vomiting without a glaring cause such as a dietary change, it’s time to think hyperthyroidism.
  7. Occasional Wheezing or Panting – Don’t ignore intermittent breathing difficulty like wheezing or panting. If your cat is showing signs of trouble breathing, it’s better to be safe than sorry. Make sure to have any respiratory troubles your cat is experiencing checked by your veterinarian right away.

Cat’s with feline hyperthyroidism may experience some of these symptoms, all of them, or different symptoms not included in this list. The only way to be positive about your cat’s thyroid function is with tests at your veterinarians

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