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Prevents mast cells from degranulating — stopping the release of histamine, leukotrienes, and other inflammatory mediators before they trigger symptoms.
Blocks histamine H1 receptors directly at target tissues — a second line of action that manages symptoms even when some mediator release occurs.
Azelastine is a second-generation H1 antihistamine primarily used as a nasal spray and eye drops for allergic rhinitis and conjunctivitis. Compounded azelastine offers custom concentrations and preservative-free formulations for sensitive patients.
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Azelastine blocks H1 histamine receptors and also inhibits the release of histamine and other inflammatory mediators from mast cells. Applied topically to nasal passages or eyes, it provides both antihistamine and anti-inflammatory effects directly at the site of allergic reaction.
Commercial azelastine nasal sprays (Astelin, Astepro) contain preservatives like benzalkonium chloride that can irritate sensitive nasal passages. Compounded azelastine can be prepared preservative-free, in custom concentrations, or combined with other agents like fluticasone for enhanced efficacy.
Azelastine is a potent, locally-acting antihistamine that delivers targeted relief when applied directly to nasal passages or eyes. Unlike oral antihistamines that must be absorbed systemically, azelastine achieves high local concentrations at the site of allergic inflammation with minimal systemic side effects.
For patients who are sensitive to the preservatives in commercial nasal sprays, or who need concentrations not available commercially, compounded azelastine provides an important alternative. Compounding also enables combination preparations that would otherwise require multiple separate products.
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⚠️ Dosing should be determined by your prescriber. The information below is general guidance only.
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Find Lowest PricePrevents mast cells from degranulating — stopping the release of histamine, leukotrienes, and other inflammatory mediators before they trigger symptoms.