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How to treat hyperthyroid disease in cats
Watch your cat for signs of hyperthyroidism.
Thyroid hormones affect many organs in your cat's body. Therefore, elevated thyroid hormone levels can cause a wide range of clinical signs, the most common of which are weight loss and increased appetite.
Other clinical signs include increased activity/restlessness, excessive thirst, and increased urination. Cats with hyperthyroidism can have also diarrhea, pant more, and shed more often.