Usual Adult Dose of Nasonex for Allergic Rhinitis:
2 sprays in each nostril once a day.
When used for the prevention of allergic rhinitis, treatment should begin 2-4 weeks prior to pollen season.
Usual Adult Dose of Nasonex for Nasal Polyps:
2 sprays in each nostril twice daily. 2 sprays in each nostril once daily may be effective in some patients.
Usual Pediatric Dose of Nasonex for Allergic Rhinitis:
2 years to 11 years:
1 spray in each nostril once a day.
12 years or older:
2 sprays in each nostril once a day.
When used for the prevention of allergic rhinitis, treatment should begin 2 to 4 weeks prior to pollen season.
 Detailed Nasonex dosage information
What happens if I miss a dose?
Use the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not use two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
An overdose of mometasone nasal spray is not expected to produce life threatening symptoms. Long term use of high doses can lead to thinning skin, easy bruising, changes in body fat (especially in your face, neck, back, and waist), increased acne or facial hair, menstrual problems, impotence, or loss of interest in sex.
