Carbinoxamine maleate is primarily used as an antihistamine to relieve symptoms associated with allergies, such as sneezing, runny nose, itching, and watery eyes. It is commonly found in over-the-counter cold and allergy medications, often combined with other active ingredients like decongestants or pain relievers to provide comprehensive symptom relief. Additionally, it is used to manage allergic reactions in conditions like hay fever, hives, and other skin allergies. In some cases, it may also be prescribed to alleviate nausea and vomiting, particularly in pediatric patients. Its sedative properties make it useful for promoting sleep in individuals experiencing discomfort due to allergic symptoms.