Used primarily as a mast cell stabilizer, it helps prevent the release of histamine and other inflammatory mediators. Commonly applied in the treatment of allergic conditions such as asthma, allergic rhinitis, and conjunctivitis. It is administered via inhalation for asthma management, nasal spray for rhinitis, and eye drops for allergic conjunctivitis. Additionally, it is utilized in managing symptoms of mastocytosis, a condition involving excessive mast cell activity. Its prophylactic use is effective in reducing the frequency and severity of allergic reactions.