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Cromolyn sodium oral

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





This medication is used to treat diarrhea, flushing, headache, nausea, itching or skin rash associated with mastocytosis, prevention of food allergy and certain intestinal diseases.

How To Use

The medication is usually taken 1 half hour before meals and at bedtime as directed. Do not swallow the capsules. The contents of the capsules are used to make a solution. To make the solution, open the capsule and pour powder into a glass half-filled with hot water. Stir to dissolve the powder. While stirring, add cold water to fill the glass. Drink all of the solution. Do not add milk, juice or other liquids to the powder and water solution. For best results, use this medication routinely as directed.

Side Effects

Nausea, gas, muscle aches, stomach pain or headache may occur. If any of these symptoms persist or worsen, inform your doctor. Notify your doctor promptly if you experience: mood changes, burning of the mouth or throat. In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor your medical history, especially of: kidney disease, liver disease, allergies. Usage in children under 2 years old is generally not recommended but there may be exceptions. Consult the child's doctor. Tell your doctor if you are pregnant before taking this medication. It is unknown if this drug is excreted into human breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you may use. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately.


Do not share this medication with others.

Missed Dose

If you miss a dose, take it as soon as remembered; do not take it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store the capsules at room temperature between 59 and 86 degrees F (15 to 30 degrees C) away from heat and light. Do not store in the bathroom. When mixing the solution, drink all of it immediately. Do not mix it ahead of time.

Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).