Q: Our senior cat is hyperthyroid. How common is hyperthyroidism, and what causes it? A: Hyperthyroidism is caused by benign tumors in the two thyroid glands located in the cat's neck. The tumors ...

Chronic vomiting in cats isn’t normal. Learn the common causes—from hairballs and food sensitivities to IBD and metabolic disease.

Hyperthyroidism is caused by benign tumors in the two thyroid glands located in the cat’s neck. The tumors produce excessive thyroid hormone, which impacts all body systems. Feline hyperthyroidism ...