Timapiprant sodium is primarily used in the treatment of allergic diseases, particularly allergic rhinitis and asthma. It functions as a selective antagonist of the prostaglandin D2 receptor, which plays a key role in the inflammatory response associated with allergies. By blocking this receptor, it helps reduce symptoms such as nasal congestion, sneezing, and inflammation in the airways. Its targeted action makes it a promising option for patients who do not respond adequately to standard treatments like antihistamines or corticosteroids. Additionally, its potential in managing other inflammatory conditions is being explored in ongoing research.