Hyperthyroid disease (Hyperthyroidism)

High thyroid hormone production

Hyperthyroidism is a common endocrine disorder, primarily observed in cats, leading to an overproduction of thyroid hormones. While it is rare, it can also affect dogs. Signs may include:

  • Increased appetite: Cats with hyperthyroidism often exhibit a ravenous appetite, consuming more food than usual
  • Weight loss: Despite an increased appetite, affected cats may experience significant weight loss
  • Increased thirst and urination
  • Agitation or hyperactivity: Restlessness, excessive meowing, or other behavioral changes may occur.
  • Vomiting or diarrhea
  • Changes in coat quality: The coat may become unkempt, greasy, or matted
  • Excessive vocalization: Increased meowing or vocalization may be observed

Hyperthyroidism in cats is often caused by benign tumors in the thyroid glands. It can lead to secondary health issues such as hypertension or heart disease. Other health conditions may share similar symptoms with hyperthyroid disease, including Diabetes Mellitus, Kidney Disease, or Inflammatory Bowel Disease.

If you notice any of these signs or have concerns about your pet's health, consult with a veterinarian.

When you visit your veterinarian due to concerns related to hyperthyroidism in your cat, the following steps may be taken:

  • Medical history: They will review your pet's medical history and discuss details about your pet's symptoms, duration and any noticeable changes in behavior or appetite.
  • Physical examination: The veterinarian will perform a thorough physical examination of your pet, checking for any abnormalities. In some cases, a veterinarian may detect enlarged thyroid glands in the neck during a physical examination.
  • Diagnostic testing: Diagnostic testing such as blood tests to measure thyroid hormone levels and a chemistry panel may be recommended to evaluate the presence of hypothyroid disease and rule out other possible causes.
  • Treatment options: If hyperthyroidism is confirmed, your veterinarian will discuss treatment options. Therapeutic diets or medications may be prescribed to manage thyroid hormone levels. Other options, including surgery or radioactive iodine therapy, might be considered based on the severity and underlying causes.
  • Follow-up care: Your veterinarian will discuss a follow-up plan, which may involve regular monitoring of your pet's hormone levels, additional tests, or adjustments to medication doses.

Your veterinary healthcare team will partner with you to decide which treatment option is best for your pet's and your family’s specific condition and situation.

In most cases, it’s not possible to prevent hyperthyroidism in cats. However, there are preventative measures and steps you can take to manage the condition and support your cat's thyroid health:

  • Schedule regular veterinary check-ups: This will help your veterinarian monitor your pet's overall health and detect any early signs of other conditions.
  • Provide a balanced diet: Feed your pet a nutritionally balanced diet that meets their specific needs and supports overall health. Your veterinarian may recommend specific diets designed for cats with thyroid concerns.
  • Monitor behavior and appetite: Pay attention to any changes in your cat's behavior, including increased activity levels, changes in appetite, or weight loss.
  • Give medication as prescribed: If your cat has been diagnosed with hyperthyroidism and is prescribed medication, ensure they receive it as directed by your veterinarian. Cats can be difficult to medicate, so discuss any concerns administering medications with your veterinarian.

Consult with your veterinarian for personalized advice and guidance on managing hyperthyroid disease in your pet.

Please note that the information provided here is not a substitute for professional veterinary advice. If you suspect your cat has hyperthyroidism or any other health concerns, consult your veterinarian for proper diagnosis and treatment.

Nationwide® pet insurance claim example

Veterinary bill

$503

You pay only

$101

Hyperthyroid disease (Hyperthyroidism)

You save

$402

Example reflects Modular Plan Accident, Illness and optional Congenital & Hereditary rider as well as the optional Cruciate rider added after the first year of coverage, with $5,000 annual limit for each category and 80% reimbursement after the $250 annual deductible has been met. This plan may not be available in all areas. Pre-existing conditions are not covered. Veterinary bill amount is based on expenses incurred in the first 30 days after initial diagnosis.

Nationwide® pet insurance claim example

Veterinary bill

$503

You pay only

$101

Hyperthyroid disease (Hyperthyroidism)

You save

$402

Example reflects Modular Plan Accident, Illness and optional Congenital & Hereditary rider as well as the optional Cruciate rider added after the first year of coverage, with $5,000 annual limit for each category and 80% reimbursement after the $250 annual deductible has been met. This plan may not be available in all areas. Pre-existing conditions are not covered. Veterinary bill amount is based on expenses incurred in the first 30 days after initial diagnosis.

Nationwide® pet insurance claim example

Veterinary bill

$503

You pay only

$101

Hyperthyroid disease (Hyperthyroidism)

You save

$402

Example reflects Modular Plan Accident, Illness and optional Congenital & Hereditary rider as well as the optional Cruciate rider added after the first year of coverage, with $5,000 annual limit for each category and 80% reimbursement after the $250 annual deductible has been met. This plan may not be available in all areas. Pre-existing conditions are not covered. Veterinary bill amount is based on expenses incurred in the first 30 days after initial diagnosis.