Allergy medication Nasonex (MOMETASONE) is a corticosteroid used to prevent and treat the symptoms of perennial and seasonal allergic rhinitis (hay fever).Allergy medication Nasonex (MOMETASONE) may also be used to treat other conditions as determined by your doctor.
Nasonex side effects that may occur while using NASONEX include headache, nose-bleed or pink color to the mucus, sore throat, or burning or irritation inside the nose. If Nasonex side effects continue or are bothersome, check with your doctor. If you notice other Nasonex side effects not listed above, contact your doctor, nurse, or pharmacist.