Used primarily as an antihistamine to relieve symptoms of allergies and allergic reactions. It helps reduce itching, hives, and skin rashes by blocking histamine, a substance in the body that causes allergic symptoms. Also used for its sedative properties to manage anxiety and tension, often prescribed for short-term relief in anxiety disorders. Due to its calming effect on the central nervous system, it is sometimes used as a preoperative medication to help patients relax before surgery. Additionally, it may be used as an adjunct in the treatment of nausea, vomiting, and motion sickness. Commonly found in veterinary medicine for treating allergic conditions and anxiety in pets.