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How long before cromolyn nasal spray improves my symptoms?

That varies from one person to another. You may notice that your itchy runny nose and other hay fever symptoms begin to improve within a few days. However, chances are you will not feel the full benefit of nasal cromolyn for at least a week or two. If after a month your symptoms have not improved, talk to your doctor.

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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.