Mometasone Furoate monohydrate is a corticosteroid demonstrating antiinflammatory properties. The precise mechanism of corticosteroid action on allergic rhinitis is not known. Corticosteroids have been shown to have a wide range of effects on multiple cell types (eg, mast cells, eosinophils, neutrophils, macrophages, and lymphocytes) and mediators (eg, histamines, eicosanoids, leukotrienes, and cytokines) involved in inflammation. Protein binding for Mometasone Furoate was reported to be 98% to 99% in concentration range of 5 to 500 ng/mL.The effective plasma elimination half life of Mometasone Furoate is 5.8 hours.