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Product Information

Cromolyn sodium works by preventing the release of substances in the body that cause inflammation. Cromolyn sodium inhaler is used to prevent bronchial asthma attacks in adults and children who are at least 2 years old.

Cromolyn sodium inhaler is also used to prevent bronchospasm caused by exercise or exposure to cold dry air, chemicals, or environmental pollutants or allergens (such as animal dander or chemicals used in manufacturing).

Cromolyn sodium inhaler may also be used for purposes not listed in this medication guide.

What are the available dosage forms and strengths?

Oral inhalation aerosol

  • 5mg

How should you use Cromolyn Sodium (Intal)? 

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use exactly as directed by your healthcare provider.

Cromolyn sodium is not a rescue medicine. It will not work fast enough to treat an asthma attack. Use only a fast acting inhalation medicine for an asthma attack. Tell your doctor if it seems like your asthma medications don't work well.

When using cromolyn sodium:

  • It is important to use this medicine every day, even if you have no signs of asthma

  • It is taken by breathing it in through your mouth. Please see your details on how to use your inhaler and how to keep the inhaler clean

  • You may need to use Intal for several weeks for it to work best

  • Your asthma may get worse if you have an infection, are unwell or come into contact with anything to which you are allergic. If this happens, talk to a doctor immediately

  • If you feel the effect of your medicine is too weak or too strong, do not change the dose yourself and contact your doctor

The starting dose is two puffs (inhalations) four times each day. Taking puffs at meal times and at bedtime may help you to remember to use it.

If you forget a dose, take it as soon as you remember it. However, if it is nearly time for the next dose, skip the missed dose. Do not take a double dose to make up for a forgotten dose.

When your asthma gets better, your doctor may suggest that you lower your daily dose to one puff four times each day.  Your doctor may also suggest you take an additional dose before exercise.

To prevent bronchospasm caused by exercise or environmental factors, use the medicine 10 to 15 minutes before exercise or exposure.

Follow your doctor's dosing instructions very carefully. Your dose needs may change if you have surgery, are ill, are under stress, or have recently had an asthma attack.

It may take several weeks before your symptoms improve. Keep using the medication as directed and tell your doctor if your symptoms do not improve after 4 weeks of using cromolyn sodium.

You should not stop using this medicine suddenly. Stopping suddenly may make your condition worse.

Asthma is usually treated with a combination of drugs. Use all medications as directed by your doctor. Read the medication guide or patient instructions provided with each medication. Do not change your doses or medication schedule without your doctor's advice. Every person with asthma should remain under the care of a doctor.

If you also use a steroid medication, do not stop using it suddenly or you may have unpleasant withdrawal symptoms. Talk with your doctor about tapering your steroid dose before stopping completely.

Store at room temperature; away from moisture, heat, and light. Do not refrigerate or freeze. The aerosol inhaler canister is pressurized. Do not puncture or incinerate even when it is empty.

Who should not use Cromolyn Sodium (Intal)?

You should not use this medicine if you are allergic to Cromolyn sodium.

Cromolyn sodium inhaler is not approved for use by anyone younger than 2 years old.

What to avoid while using Cromolyn Sodium (Intal)?

Avoid spraying the inhaler into your face or getting the medication in your eyes.

What should I tell my healthcare provider before using Cromolyn Sodium (Intal)?

To make sure Cromolyn sodium inhaler is safe for you, tell your doctor if you have:

  • heart disease or a heart rhythm disorder

  • coronary artery disease

  • kidney disease

  • liver disease

Cromolyn sodium inhaler is not expected to be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medicine.

It is not known whether Cromolyn sodium inhaler passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

What are the possible side effects of Cromolyn Sodium (Intal)?

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • worsening asthma symptoms

  • coughing, wheezing, choking, or other breathing problems after using this medicine

Common side effects may include:

  • sneezing, stuffy nose

  • cough

  • mild wheezing

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

What other drugs interact with Cromolyn Sodium (Intal)? 

Other drugs may interact with cromolyn sodium, including prescription and over-the-counter medicines, vitamins, recreational and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

What happens if I overdose?

Seek emergency medical attention

Where can I get more information about Cromolyn Sodium (Intal)?

If you have any questions about buying discount Cromolyn Sodium (Intal) or any other prescription products online, you can contact us.

Do you have any questions regarding this product?

Delivery Timetable


Average regular delivery time for Intal Inhaler Cfc Free is 10 days from our Canadian online pharmacy.


Delivery times for Intal Inhaler Cfc Free do vary depending on the location of the dispensary.


The reason deliveries take time is primarily due to customs procedures that need to be completed.


Expedited and tracked delivery services are available from our Canadian online dispensary.

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