Symptoms of Hyperthyroidism in Cats

Common symptoms of hyperthyroidismany cats with hyperthyroidism lose weight despite being ravenous. Often these cats eat so quickly that they vomit. Many also have diarrhea. They are hyperactive and irritable, expressing a meanness that hadn't been seen before. They look unkempt and have poor coats and thickened nails. Their hearts beat so strongly and rapidly that you can feel a "gallop" rhythm...