Cromolyn Intranasal for Allergies

Medically reviewed by a licensed pharmacist · Last reviewed 6/11/2026

Dose

1-2 sprays in each nostril 3-4 times daily. Begin 2-4 weeks before allergen exposure for best prevention. May take several days to weeks for full effect.

What to watch for

Read the product label and ask a pharmacist if you take other medicines or have a health condition.

Not for children under 2.

Sources

  • FDA OTC Monograph

Where to buy

This page is for general education and is not medical advice. It does not replace a consultation with a licensed pharmacist or your clinician. Always read and follow the product label. If symptoms are severe, worsening, or persistent, seek professional care.