Levocetirizine+Montelukast
Description
Levocetirizine+Montelukast is a combination medication used to treat allergy sy
mptoms like sneezing, runny nose, itchy eyes, and cough. It works by blocking two different chemicals in the body that trigger allergic reactions. Levocetirizine blocks histamine, which causes many allergy symptoms, while Montelukast blocks leukotrienes, which contribute to inflammation in the airways. This combination helps reduce allergy symptoms effectively.
Uses
- Levocetirizine+Montelukast is used for relieving the symptoms of allergic rhinitis, such as a runny or stuffy nose, blockage in airways, difficulty in breathing, sneezing and watery eyes.
Contraindications
When should one not use Levocetirizine+Montelukast
- If you are allergic to levocetirizine, cetirizine or montelukast.
- If you have kidney problems or undergoing dialysis.
- If you are unable to digest lactose and glucose (galactose intolerance).
Side effects
Common side effects of this drug are:
- Common side effects include drowsiness, headache, dizziness, dry mouth, and fatigue.
Precautions and Warnings
Pregnancy
Q:
Can I take the Levocetirizine+Montelukast during pregnancy?
A:
There is limited information about the effect of Levocetirizine+Montelukast during pregnancy. It is recommended to avoid taking this medicine unless it is prescribed by your doctor. Inform your doctor about your pregnancy or if you think that you may be pregnant.
Breast Feeding
Q:
Can I take Levocetirizine+Montelukast while breastfeeding?
A:
A component of Levocetirizine+Montelukast passes into human breast milk and may cause drowsiness in the newborn baby. It is recommended to avoid taking this medicine while breastfeeding unless it is prescribed by your doctor. Inform your doctor if you are a breast-feeding mother.
Driving
Q:
Can I drive if I have consumed Levocetirizine+Montelukast?
A:
You may feel dizziness or drowsiness after taking Levocetirizine+Montelukast. Thus, it is advised to be cautious while driving or operating any machinery after taking this medicine.
Alcohol
Q:
Can I consume alcohol with Levocetirizine+Montelukast?
A:
It is advised to avoid alcohol consumption during the treatment as it might alter your alertness and increase side effects. Talk to your doctor if you consume it often.
Other General Warnings
Talk to your doctor if
- You are taking medicines for allergies (corticosteroids) like Prednisone and Prednisolone.
- You are already taking painkillers like aspirin as it can increase the risk of asthma.
- You experience a rash or difficulty in breathing.
- You are suffering from a psychiatric illness.
- You are suffering from a genetic disorder called phenylketonuria.
- You are not able to empty the bladder completely.
- This medicine can cause anxiety, aggression, lack of sleep and suicidal thoughts. In case you experience any of these, immediately inform your doctor.
- Levocetirizine+Montelukast is not meant for relief from acute asthma. Use your inhaler for asthma relief in an acute attack.
Mode of Action
How Does It Work?
- Montelukast blocks certain natural substances called leukotrienes which may cause allergies. It acts by reducing the swelling, relaxes airways and helps to make breathing easier.
- Levocetirizine blocks histamine a natural substance, which is produced by the body during allergic reactions.
Interactions
Interactions with other medicines
- Tell your doctor about all the medicines, supplements, or herbals you are currently taking or might take to avoid any possible interaction.
- Especially if you are taking medicines to treat high blood pressure, heart failure, high/abnormal cholesterol levels, blood thinners, anti-infectives, anti-diabetics, anti-asthmatics, pain killers, immunomodulatory medicines or medicines for the brain-related disorder....
Content Details
WRITTEN BY

Ravindra Ghongade
B. Pharm
REVIEWED BY

Dr. Ritu Budania
MBBS, MD (Pharmacology)
Frequently Asked Questions (FAQs)
Q: What is Levocetirizine+Montelukast used for?
A: This combination medication is used to alleviate symptoms of seasonal and year-round allergies, such as sneezing, runny nose, itchy or watery eyes, and an itchy throat. It is also used to help prevent and treat asthma symptoms, particularly in patients with allergies.
Q: How should I take Levocetirizine+Montelukast?
- Take this medicine exactly as your doctor has prescribed. You can take it with or without food. Do not chew, crush, or break the tablets. For best results, it's essential to take it consistently, even on days when you feel well....
Q: What are the common side effects of Levocetirizine+Montelukast?
A: Common side effects may include drowsiness, dizziness, headache, stomach upset, dry mouth or a sore throat. If these are mild, they might resolve on their own. If they become troublesome or persist, consult your doctor.
Q: What should I avoid while taking this medication?
- Reduce or avoid alcohol consumption, as it can increase the risk of drowsiness and dizziness. Inform your doctor about any other medications you're taking, including over-the-counter medicines and herbal supplements, to prevent potential interactions. It's advisable to refrain from driving or operating heavy machinery until you know how this medication affects you, as it may cause drowsiness....
Q: Is Levocetirizine+Montelukast safe during pregnancy or while breastfeeding?
- If you are pregnant, planning to become pregnant, or breastfeeding, you should talk to your doctor before taking this medication. Your doctor will weigh the benefits and risks to decide if it is the right treatment for you....
References
View All
- MONTAIR LC & MONTAIR LC KID DT / Syrup [Internet]. CiplaMed. 2025 [cited 15th September 2025]
- MnTL Tablet [Internet]. Centaurpharma.com. 2025 [cited 15th September 2025]
- Montelukast 10 mg film-coated tablets - Summary of Product Characteristics (SmPC) - (emc) [Internet]. Medicines.org.uk. 2025 [cited 15th September 2025]
- Levocetirizine 5 mg film-coated tablets - Summary of Product Characteristics (SmPC) - (emc) [Internet]. Medicines.org.uk. 2025 [cited 15th September 2025]
- Levocetirizine [Internet]. Ncbi.nlm.nih.gov. 2025 [cited 15th September 2025]
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