Proper Use

Drug information provided by: Merative, Micromedex®

Make certain your health care professional knows if you are on any special diet, such as a low-sodium diet. This medicine contains sodium.

Unless otherwise directed by your doctor, it is best to take oral cromolyn as follows:

Capsules

  • Open the cromolyn capsule(s) and pour all of the powder into one-half glass (4 ounces) of hot water. Stir the solution until the powder is completely dissolved and the solution is clear. Then add an equal amount (one-half glass) of cold water to the solution while stirring.
  • Be sure to drink all of the liquid to get the full dose of medicine.
  • Do not mix this medicine with fruit juice, milk, or food because they may keep the medicine from working properly.
  • It is important to take this medicine at regular intervals for best results.

Ampuls

  • Break open the ampul(s) and squeeze contents into a glass of water and stir well.
  • Be sure to drink all of the liquid to get the full dose of medicine.
  • It is important to take this medicine at regular intervals for best results.
  • Do not use the ampul if it appears cloudy or discolored.

Take cromolyn only as directed. Do not take more of it and do not take it more often than your doctor ordered. To do so may increase the chance of side effects.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage form (capsules and ampuls):
    • For symptoms of mastocytosis:
      • Adults and children 12 years of age and older—200 milligrams (mg) dissolved or mixed in water and taken four times a day, thirty minutes before meals and at bedtime.
      • Children 2 to 12 years of age—100 mg dissolved or mixed in water and taken four times a day, thirty minutes before meals and at bedtime. Your doctor may increase the dose if your symptoms are not under control within two to three weeks after you begin taking this medicine.
      • Infants and children up to 2 years of age—Dose is based on body weight and must be determined by your doctor. The dose is usually 20 mg per kilogram (kg) (9.1 mg per pound) of body weight a day. This dose is divided into four doses. Your doctor may increase the dose if your symptoms are not under control within two to three weeks after you begin taking this medicine.
      • Premature infants—Use is not recommended.

Missed Dose

If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep the medicine in the foil pouch until you are ready to use it. Store at room temperature, away from heat and direct light. Do not freeze.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Portions of this document last updated: Feb. 01, 2024

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