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Intranasal Mast Cell Stabilizers

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Medication	Dose per Spray
Azelastine*,†	137 mcg in 0.1% solution 205.5 mg in 0.15% solution
Cromolyn	5.2 mg
Olopatadine*	665 mcg
* Azelastine and olopatadine are dual-acting mast cell stabilizers/antihistamines.
† A combination of azelastine/fluticasone (137 mcg/50 mcg) is available.