Hyperthyroidism
Quick answer
Overactive thyroid glands in middle-aged and older cats, raising metabolism. Common signs include weight loss despite a good appetite. See your vet if an older cat loses weight while eating well, or shows persistent vomiting with behavioural changes.
Definition
Overactive thyroid glands in middle-aged and older cats, raising metabolism. Common signs include weight loss despite a good appetite.
Symptoms
- Weight loss with increased appetite
- Hyperactivity or restlessness
- Increased thirst
- Vomiting and diarrhoea
- Poor coat and rapid heart rate
When to see a vet
See your vet if an older cat loses weight while eating well, or shows persistent vomiting with behavioural changes. Blood tests confirm the diagnosis.
Related guides & tools
Frequently Asked Questions
- What is Hyperthyroidism?
- Overactive thyroid glands in middle-aged and older cats, raising metabolism. Common signs include weight loss despite a good appetite.
- What are the symptoms of hyperthyroidism?
- Common signs include Weight loss with increased appetite, Hyperactivity or restlessness, Increased thirst, Vomiting and diarrhoea. This is not a complete list — individual pets vary. See linked guides for fuller context.
- When should I see a vet about hyperthyroidism?
- See your vet if an older cat loses weight while eating well, or shows persistent vomiting with behavioural changes. Blood tests confirm the diagnosis.