Cromolyn Aerosol Solution

Generic Name: Cromolyn (KROE-moe-lin)Brand Name: Intal

Cromolyn Aerosol Solution is used for:

Preventing asthma attacks. It is not used to treat sudden asthma attacks. It may also be used to treat other conditions as determined by your doctor.

Cromolyn Aerosol Solution is a mast cell stabilizer. It works by stabilizing mast cells and preventing them from releasing their irritating chemicals. Some forms of recurrent or chronic asthma are due to the release of irritating chemicals from mast cells located in the breathing tubes (bronchial tubes of the lung).

Do NOT use Cromolyn Aerosol Solution if:

  • you are allergic to any ingredient in Cromolyn Aerosol Solution

Contact your doctor or health care provider right away if any of these apply to you.

Before using Cromolyn Aerosol Solution:

Some medical conditions may interact with Cromolyn Aerosol Solution. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances
  • if you have liver or kidney problems

Some MEDICINES MAY INTERACT with Cromolyn Aerosol Solution. However, no specific interactions with Cromolyn Aerosol Solution are known at this time.

This may not be a complete list of all interactions that may occur. Ask your health care provider if Cromolyn Aerosol Solution may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Cromolyn Aerosol Solution:

Use Cromolyn Aerosol Solution as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Before using Cromolyn Aerosol Solution, be sure that the canister is properly inserted into the inhaler unit and shake well.
  • Exhale slowly and deeply.
  • Unless your doctor has told you otherwise, position the mouthpiece between your lips and try to rest your tongue flat.
  • Your doctor may have told you to hold the inhaler 1 or 2 inches (2 or 3 centimeters) away from your open mouth or may have instructed you to use a special spacing device.
  • As you start to take a slow, deep breath, press the canister and mouthpiece together at exactly the same time to administer a dose of Cromolyn Aerosol Solution. Continue inhaling slowly and deeply and hold your breath for as long as comfortable, then exhale slowly through pursed lips or through your nose.
  • If more than 1 inhalation is to be used, wait a few minutes and repeat the above process.
  • Rinse your mouth or gargle with water after using Cromolyn Aerosol Solution to prevent mouth sores or bad taste.
  • Keep track of the number of sprays you use and subtract this number from the number of doses in the container. This will help you know when the container is becoming empty.
  • When the dose is delivered, you will see a fine white mist. If the mist is escaping from your mouth or nose, then you are not using the inhaler correctly.
  • You may clean the inhaler by removing the metal canister and rinsing the plastic mouthpiece in warm water twice a week. Never put the canister completely under water.
  • Do not puncture, break, or burn container, even if it appears empty.
  • Continue to use Cromolyn Aerosol Solution even if you feel well. Do not miss any doses.
  • If you miss a dose of Cromolyn Aerosol Solution, use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once.

Ask your health care provider any questions you may have about how to use Cromolyn Aerosol Solution.

Important safety information:

  • Cromolyn Aerosol Solution may cause drowsiness. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Cromolyn Aerosol Solution.
  • Avoid spraying Cromolyn Aerosol Solution in your eyes. If you get Cromolyn Aerosol Solution in your eyes, immediately rinse your eyes out with cool tap water.
  • If you are also using a bronchodilator inhaler, be sure to always carry the bronchodilator inhaler with you to use during asthma attacks.
  • A few weeks may pass before the full benefit is obtained. Continue to use it as directed during this time.
  • A spacing device might help lessen side effects such as mouth sores or bad taste.
  • Before you have any medical or dental treatments, emergency care, or surgery, tell the doctor or dentist that you are using Cromolyn Aerosol Solution.
  • Carry an identification card at all times that says you are taking Cromolyn Aerosol Solution.
  • Always have a spare inhaler available in case the unit malfunctions or is empty.
  • Cromolyn Aerosol Solution is not recommended for use in CHILDREN younger than 5 years of age. Safety and effectiveness in this age group have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: If you are pregnant or plan on becoming pregnant, discuss with your doctor the benefits and risks of using Cromolyn Aerosol Solution during pregnancy. It is unknown if Cromolyn Aerosol Solution is excreted in breast milk. If you are or will be breast-feeding, check with your doctor to discuss the benefits and risks to your baby.

Possible side effects of Cromolyn Aerosol Solution:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Bad taste; cough; drowsiness; hoarseness; nausea; throat irritation or dryness; tightness in the lungs; wheezing.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); breathing problems; severe nasal congestion.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (, or emergency room immediately.

Proper storage of Cromolyn Aerosol Solution:

Store Cromolyn Aerosol Solution at room temperature between 68 and 77 degrees F (20 and 25 degrees C) away from heat, moisture, and light. Keep the cap on Cromolyn Aerosol Solution when it is not in use. Do not store in the bathroom. Keep Cromolyn Aerosol Solution out of the reach of children and away from pets.

General information:

  • If you have any questions about Cromolyn Aerosol Solution, please talk with your doctor, pharmacist, or other health care provider.
  • Cromolyn Aerosol Solution is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.

This information is a summary only. It does not contain all information about Cromolyn Aerosol Solution. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

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