Qvar contains beclomethasone, a corticosteroid. It prevents the release of substances in the body that cause inflammation. Qvar Nasal Aerosol is a prescription medicine that treats seasonal nasal and year-round nasal allergy symptoms, such as congestion, sneezing, and runny nose in adults and children 12 years of age and older. Qvar Nasal Aerosol (40 mcg) is used for the treatment of nasal allergy symptoms in children 4-11 years of age.

Beclomethason er et inhalert steroid som brukes til å forhindre astmaanfall hos voksne og barn som er minst 4 år gamle. Beclomethasone vil ikke behandle et astmaanfall som allerede har begynt.