Head shaking shows up in horses as uncontrollable shaking, jerking or flicking of the head, with no obvious physical irritation causing the condition. While some cases may be mild, head shaking can be severe enough to make a horse dangerous or unsuitable for riding. Other symptoms that may occur alongside

Hypertension, or high blood pressure, is fairly common in cats. Although it can occur on its own, it is usually a sign of other serious health problems. High blood pressure can also cause problems with other parts of the body, including the eyes, kidneys and heart. Cats are more likely to develop high

Hyperthyroidism is a condition that causes a cat’s thyroid gland to produce too much thyroid hormone. This disease most often shows up in middle-aged and older cats. The thyroid gland is located in the neck. Thyroid hormones affect most organs in the body, so hyperthyroidism can lead to other problems