Seasonal Allergic Rhinitis: The recommended dose of azelastine hydrochloride nasal spray in adults and adolescent patients 12 years and older with seasonal allergic rhinitis is one or two sprays per nostril twice daily. The recommended dose of azelastine hydrochloride nasal spray in pediatric patients 5 years to 11 years of age is one spray per nostril twice daily.
Vasomotor Rhinitis: The recommended dose of azelastine hydrochloride nasal spray in adults and adolescent patients 12 years and older with vasomotor rhinitis is two sprays per nostril twice daily.
Important Administration Instructions: Administer azelastine hydrochloride nasal spray by the intranasal route only.
Priming: Prime azelastine hydrochloride nasal spray before initial use by releasing 4 sprays or until a fine mist appears. When azelastine hydrochloride nasal spray has not been used for 3 or more days, reprime with 2 sprays or until a fine mist appears. Avoid spraying azelastine hydrochloride nasal spray into the eyes.
Azelastine Hydrochloride Nasal Spray 137 micrograms (mcg), is an antihistamine formulated as a metered-spray for intranasal administration. Azelastine Hydrochloride Nasal Spray contains 0.1% azelastine hydrochloride in an aqueous solution at pH 6.8 ± 0.3. It also contains benzalkonium chloride, citric acid anhydrous, dibasic sodium phosphate dodecahydrate, edetate disodium, hypromellose, purified water and sodium chloride.
After priming, each metered spray delivers a 0.137 mL mean volume containing 137 mcg of azelastine hydrochloride (equivalent to 125 mcg of azelastine base). The bottle can deliver 200 metered sprays.