Montelukast is a medication that helps manage asthma and allergies by blocking substances in the body that can trigger these conditions. It contains the active ingredient montelukast, which works by reducing inflammation in the airways, making it easier for you to breathe. This medication is suitable for adults and children over two years old who have asthma or allergic rhinitis.

About Montelukast
Dosage and usage
For asthma, the usual dose of Montelukast for adults and children aged 15 and over is 10 mg once a day in the evening. For children aged 6 to 14 years old, the dose is 5 mg once a day. If you have allergic rhinitis, the recommended dose for adults and children over 15 years old is also 10 mg once daily. The effects of Montelukast can last up to 24 hours. If you experience any unusual symptoms or side effects, contact your healthcare provider immediately.
What Montelukast contains
Each Montelukast tablet contains 10 mg of montelukast (as montelukast sodium). The excipients in Montelukast include microcrystalline cellulose, lactose monohydrate, croscarmellose sodium, and others.
Side effects
Common side effects of Montelukast may include headache, stomach pain, and fatigue. Serious side effects that require immediate medical attention include behavior/mood changes, signs of infection, and allergic reactions such as rash, itching, swelling, severe dizziness, or trouble breathing.
Precautions
Do not take Montelukast if you are allergic to any of its ingredients. If you have phenylketonuria, inform your doctor as Montelukast chewable tablets contain aspartame. Montelukast may not be suitable for individuals with certain liver conditions or those taking certain medications, so consult your healthcare provider before using this medication. If you experience worsening asthma symptoms, seek medical help promptly.
Sources
Daniel More, MD, May 2019, Online, The use of singulair for allergies, [Accessed on the 10th of August 2019], Available on: https://www.verywellhealth.com/does-singulair-differ-from-antihistamine-for-allergies-82878
EMedicine Health, online, 2019, Drug montelukast, [Accessed on the 10th of August 2019], Available on: https://www.emedicinehealth.com/drug-montelukast/article_em.htm
IBM Watson Health, Mayo Clinic, Feb 2019, Online, Montelukast oral route, [Accessed on the 10th of August 2019], Available on: https://www.mayoclinic.org/drugs-supplements/montelukast-oral-route/side-effects/drg-20064902?p=1
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