Nasonex is a prescription nasal spray containing mometasone furoate monohydrate 0.05%. It is a scent-free aqueous nasal spray that comes with 120 metered doses, manufactured by MSD. This nasal corticosteroid helps treat nasal allergy symptoms and inflammation. The product is delivered through a metered-dose spray pump that provides precisely measured amounts of medication with each spray. Being scent-free makes it more comfortable for daily use. The aqueous formulation contains mometasone furoate monohydrate at 0.05% concentration. As a prescription medication, it should only be used under medical supervision and according to prescribed dosage instructions.