• NOTE: This page is intended to be a quick reference for properties of cromolyn. It is NOT a comprehensive review of this medication. Other drug interactions, side effects, precautions, and contraindications may exist for each drug.

Drug Dosage form Dosage Generic/Price Other Class/Mechanism of Action Indications
Side Effects Drug Interactions Precautions/
Cromolyn sodium

  • Each 2ml ampule contains 20mg of cromolyn sodium (10mg/ml)
Asthma (2 years of age and older)
  • One neb (20mg) four times a day at regular intervals

Exercise-induced Asthma (2 years of age and older)
  • One ampule shortly before exercise
  • Protect ampules from light

  • Do not mix cromolyn solution with other drug solutions
  • Mast cell stabilizer - cromolyn inhibits mast cell degranulation. Mast cells release inflammatory mediators in response to specific antigens. Cromolyn blocks this action.
  • Asthma - prevention and prophylaxis in patients 2 years of age and older

  • Cromolyn is indicated for asthma that is triggered by exercise, exposure to cold air, and environmental agents (e.g., animal danders, toluene diisocyanate, pollutants)

  • Cromolyn does NOT treat acute bronchospasm
  • Incidence of side effects not well-defined

  • Cough
  • Nasal congestion
  • Nausea
  • Sneezing
  • Wheezing
  • No clinically relevant drug interactions have been identified
  • Paradoxical bronchospasm - paradoxical bronchospasm has been reported in some patients

  • Liver disease - has not been studied

  • Kidney disease - has not been studied


    • $ = 0 - $50
    • $$ = $51 - $100
    • $$$ = $101 - $150
    • $$$$ = > $151

    • Pricing based on one month of therapy at standard dosing in an adult
    • Pricing based on survey of GoodRX.com®, HEB®, and Costco®, [accessed 3/2015]
    • Pricing may vary by region and availability

  • References:
  • 1 - Manufacturer's Package Insert