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What is it? Overview Usage Side Effects and Warnings

Montelukast Overview

Written by FoundHealth.

(mon te LOO kast)

U.S. Brand Names


Canadian Brand Names


Mexican Brand Names


Pharmacologic Category

Leukotriene-Receptor Antagonist

Reasons not to take this medicine

• If you have an allergy to montelukast or any other part of this medicine.

• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

How does it work?

• Montelukast decreases the body's production of a group of chemicals called leukotrienes that worsen asthma.

• It blocks the allergic reaction by minimizing or preventing the body's reaction to the allergen.

How is it best taken?

• If exercise causes symptoms, use at least 2 hours before activity.

• Take regularly, even during symptom-free periods.

• If this medicine is for asthma, take in the evening.

• If this medicine is for allergies, take at a similar time of day.

• Take this medicine with or without food. Take with food if it causes an upset stomach.

• Chewable tablet: Chew or crush well. Mix crushed tablet with food. Do not swallow whole.

• Granules may be taken by mouth or mixed with applesauce, carrots, rice, or ice cream. Do not mix in liquids.

What do I do if I miss a dose? (does not apply to patients in the hospital)

• Take a missed dose as soon as possible.

• If it is almost time for the next dose, skip the missed dose and return to your regular schedule.

• Do not take a double dose or extra doses.

• Do not change dose or stop medicine. Talk with healthcare provider.

What should I monitor?

• Change in condition being treated. Is it better, worse, or about the same?

• Change in behavior.

• Follow up with healthcare provider.

How should I store this medicine?

• Store in original container at room temperature.

• Protect from light.

• Protect from moisture. Do not store in a bathroom or kitchen.

• Use granules right after opening.

General statements

• If you have a life-threatening allergy, wear allergy identification at all times.

• Do not share your medicine with others and do not take anyone else's medicine.

• Keep all medicine out of the reach of children and pets.

• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.

• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).

• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.

• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

Created: 2005-04-07 17:01:14.0

Modified: 2010-03-09 08:28:58.0

Lexi-PALS TM © (1977)-(2007) Lexi-Comp, Inc. All rights reserved.



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