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What is azelastine?

Azelastine the generic name for the prescription brand names Astelin nasal spray, Astepro nasal spray and Optivar eye drops. Azelastine in the nasal spray blocks the chemical called histamine in the body to help prevent symptoms of seasonal allergies, including sneezing, itching and runny nose. Relief from allergy symptoms should occur within a few hours.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.