Primarily used in the pharmaceutical industry, 8-Chloroazatadine is an active ingredient in medications designed to treat allergic conditions. It functions as an antihistamine, effectively reducing symptoms such as sneezing, itching, and runny nose caused by allergies. Additionally, it is utilized in managing chronic urticaria and other dermatological conditions related to histamine release. Its anti-inflammatory properties also make it suitable for alleviating symptoms of hay fever and other seasonal allergies. The compound is often incorporated into oral formulations for systemic relief, ensuring broad therapeutic applications in allergy management.