The thyroid gland, located in your cat’s neck, uses dietary iodine to make thyroid hormones that help regulate important body functions including your cat’s:

Hyperthyroidism is a common feline endocrine disorder, most often diagnosed in older cats over age 10. Left untreated, hyperthyroidism can have serious, sometimes fatal, consequences on vital organs like the heart and kidneys. The good news is, this disease is highly manageable and can be controlled with proper veterinary care.
If your cat has hyperthyroidism, her thyroid gland will be enlarged and produce excessive amounts of thyroid hormone. Left untreated, hyperthyroidism can have serious, sometimes fatal, consequences on vital organs like the heart and kidneys. The good news is, this disease i,s highly manageable and can be controlled with proper veterinary care.
Signs of hyperthyroidism can vary in severity depending on how long a cat has been ill. If your cat exhibits any of the following signs, contact your veterinarian immediately:
Cats with chronic kidney disease and diabetes mellitus exhibit some signs similar to hyperthyroidism. Your veterinarian may also need to perform tests for these diseases to ensure an accurate diagnosis. If your cat has hyperthyroidism, her thyroid gland will be enlarged and produce excessive amounts of thyroid hormone.
Four potential options for managing cats with hyperthyroidism are:
The food your cat eats plays an important role in her overall health and well-being. Balanced nutrition is an essential part of an active, healthy lifestyle. For accurate diagnosis and treatment options, always consult your veterinarian and ask them to recommend the best food for your cat’s thyroid health.
Check out this video about how Prescription Diet cat food can help.
One of our staff authors prepared this article for you
Hill's Science Plan Adult Sterilised Cat Dry Food with Salmon is specially formulated with ActivBiome+ Multi-Benefit Technology. It is a precisely balanced nutrition, tailored to meet the needs of sterilised cats, to help keep sthem lean & healthy.
Hill's Science Plan Mature Adult Cat Food with Chicken is a complete pet food, specially formulated with ActivBiome+ Multi-Benefit Technology.
This food supports graceful aging in cats, providing a synergistic ingredient blend to help support energy & activity levels.
Hill's Science Plan Adult Cat Food with Chicken is a complete pet food, specially formulated with ActivBiome+ Multi-Benefit Technology.
This food is specially formulated to fuel the energy needs of cats during the prime of their life.
Hill's Science Plan CULINARY CREATIONS Adult cat food with Salmon & Carrots was formulated to provide a great-tasting experience to cats. Its delicious flavour and texture are combine with essential nutrients to support cats' optimal health during the prime time of their life. Specially formulated with high-quality salmon protein, essential taurine for heart health & balanced minerals to support kidneys & bladder.
Learn about the warning signs, symptoms, and treatments of cat obesity and weight management in cats and the conditions that affect on your cat.
Being overweight puts a cat at risk of developing many serious health issues. Weight gain indicates an increase in body fat and usually results when your cat eats too much and exercises too little.
Learn about the causes of cat dermatitis, how to spot the symptoms and the best treatment options. Visit Hill's Pet for detailed guidance and tips.
Discover why your cat may be itching and licking excessively, and what it could mean. Get expert advice on feline healthcare at Hill's Pet.
Our low calorie formula helps you control your cat's weight. It's packed with high-quality protein for building lean muscles, and made with purposeful ingredients for a flavourful, nutritious meal. Clinically proven antioxidants, Vitamin C+E, help promote a healthy immune system.
Our low calorie formula helps you control your cat's weight. It's packed with high-quality protein for building lean muscles, and made with purposeful ingredients for a flavourful, nutritious meal. Clinically proven antioxidants, Vitamin C+E, help promote a healthy immune system.