what are the signs of a thyroid condition in dogs
6 Signs of Hypothyroidism in Dogs. 1  1. Inexplicable Weight Gain. 2  2. Behavior Changes: Anxiety, Compulsive Behavior, or Aggression. 3  3. Lack of Energy or Reduced Interest in Play. 4  4. Skin and Fur Problems, Especially When Theyâre Chronic and Recurrent. 5  5. Eye and Ear Infections. 6  6. Reduced Tolerance for Cold Weather.
In dogs, thyroid disease is almost always hypothyroidism. Hyperthyroidism (overactive thyroid) occurs in cats but is not typically seen in dogs. Unfortunately, an overactive thyroid in a dog is usually a sign of thyroid carcinoma, a cancerous thyroid tumor.