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Levosiz-M Tablet is a combination medicine used to treat symptoms of allergic rhinitis, such as a runny or stuffy nose, sneezing, itching, swelling, watery eyes, and congestion. It also reduces airway inflammation and makes breathing easier. It works by blocking a substance that causes allergy in the body.

Written By Dr. Swati Mishra, BDS,
Reviewed By Dr. Sachin Gupta, MD Pharmacology, MBBS,
Last updated on 15 Apr 2026 | 04:18 PM (IST)
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General Information

Contains

Levocetirizine (5mg)+ Montelukast (10mg)

Marketer

Systopic Laboratories Pvt Ltd

Storage

Store below 30°C
The content is shown in English
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Product introduction

Levosiz-M Tablet can be taken with or without food. Take it in a dose and duration as advised by the doctor. The dose you are given will depend on the severity of your condition and how you respond to the medicine. Keep taking the medicine for as long as your doctor recommends. If you stop treatment too early, your symptoms may come back, and your condition may worsen.

The most common side effects are nausea, diarrhea, vomiting, dry mouth, headache, skin rash, flu-like symptoms, and fatigue. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects.

This medicine may cause dizziness and sleepiness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. Avoid drinking alcohol while taking this medicine, as it can worsen your sleepiness. Let your doctor also know about all other medicines you are taking, as some may affect, or be affected by, this medicine.

Uses of Levosiz-M Tablet

  • Treatment of Sneezing and runny nose due to allergies

Benefits of Levosiz-M Tablet

Treatment of Sneezing and runny nose due to allergies
Levosiz-M Tablet is a medicine that provides relief from symptoms such as a blocked or runny nose, sneezing, and itchy or watery eyes. This will make it easier for you to go about your daily activities. It rarely has any serious side effects, and you may only need to take it on days you have symptoms. If you are taking it to prevent getting symptoms, you should use it regularly to get the most benefit.

Side effects of Levosiz-M Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Levosiz-M
  • Nausea
  • Diarrhea
  • Dryness in mouth
  • Fatigue
  • Headache
  • Skin rash
  • Sleepiness
  • Vomiting
  • Upper respiratory tract infection
  • Sore throat
  • Fever
  • Abdominal pain
  • Increased liver enzymes

How to use Levosiz-M Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Levosiz-M Tablet may be taken with or without food.

How Levosiz-M Tablet works

Levosiz-M Tablet is a combination of two medicines: Levocetirizine and Montelukast, which relieve sneezing and a runny nose due to allergies. Levocetirizine is an antihistamine that blocks a chemical messenger (histamine) responsible for runny nose, watery eyes, and sneezing. Montelukast is a leukotriene antagonist. It works by blocking another chemical messenger (leukotriene). This reduces inflammation (swelling) in the airways and nose, and improves symptoms.

All substitutes for Levosiz-M Tablet

For information purposes only. Consult a doctor before taking any medicine.

Levozet M Tablet

by Cadila Pharmaceuticals Ltd
₹4.75/tablet
29% cheaper
<h3 class=bodySemiBold>Levozet M Tablet</h3>

Minolast-LC Tablet

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Montecip LC Tablet

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<h3 class=bodySemiBold>Montecip LC Tablet</h3>

Montas-L Tablet

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L-Hist Mont Tablet

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₹12.87/tablet
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<h3 class=bodySemiBold>L-Hist Mont Tablet</h3>

Quick tips

  • Take Levosiz-M Tablet regularly as prescribed, often in the evening, to help effectively control allergy symptoms.
  • Levosiz-M Tablet may cause dizziness or drowsiness, so avoid driving or operating machinery until you know how it affects you.
  • Avoid alcohol while taking Levosiz-M Tablet, as it may increase sleepiness and dizziness.
  • Dry mouth may occur as a side effect. Drinking water frequently, maintaining oral hygiene, or using sugar-free gum or candy may help.
  • Stop taking Levosiz-M Tablet at least three days before allergy skin testing, as it may affect the results.
  • Inform your doctor if you have a history of kidney disease before taking Levosiz-M Tablet.
  • Watch for unusual mood changes, irritability, or sleep disturbances, and inform your doctor if they occur.
  • Avoid known allergy triggers such as dust, pollen, or smoke to improve symptom control while taking Levosiz-M Tablet.
  • Consult your doctor if symptoms persist despite regular use of Levosiz-M Tablet.

Safety advice

Alcohol

Alcohol

CAUTION
Alcohol should be used with caution while taking Levosiz-M Tablet.
Pregnancy

Pregnancy

CONSULT YOUR DOCTOR
The safety of Levosiz-M Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.
Breast feeding

Breast feeding

CONSULT YOUR DOCTOR
Levosiz-M Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
Driving

Driving

UNSAFE
Levosiz-M Tablet may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.
Kidney

Kidney

CAUTION
Levosiz-M Tablet should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Use of Levosiz-M Tablet is not recommended in patients with severe kidney disease.
Liver

Liver

CAUTION
Levosiz-M Tablet should be used with caution in patients with liver disease. Dose adjustment may be needed.
Limited information is available on the use of Levosiz-M Tablet in these patients. No dose adjustment is recommended in patients with mild to moderate liver disease.

Frequently asked questions

Some people may feel drowsy or sleepy when taking Levosiz-M Tablet, though this is uncommon. If you notice that you feel unusually tired or sleepy after taking it, be cautious when driving or operating machinery. If drowsiness becomes bothersome or affects your daily activities, talk to your doctor.
You should not stop taking Levosiz-M Tablet simply because your allergy symptoms have improved. Your doctor should determine the course and duration of the medicine based on your condition. Abruptly stopping before the recommended duration may not fully control your symptoms, so always talk to your doctor before discontinuing.
Dry mouth is a possible side effect of Levosiz-M Tablet. Drinking water at regular intervals, using sugar-free candies or chewing gum may help. If dry mouth persists or becomes uncomfortable, talk to your doctor about ways to manage it.
Alcohol can increase drowsiness and may worsen side effects such as sleepiness or light-headedness. While there is no direct contraindication, combining alcohol with Levosiz-M Tablet may make you feel more sedated or less alert. It is generally best to avoid or limit alcohol while taking this medicine and discuss any concerns with your doctor.
Taking more than the recommended dose of Levosiz-M Tablet may increase the chance of side effects. Always follow the dose and frequency prescribed by your doctor. If you feel your symptoms are not well controlled, talk to your doctor rather than increasing the dose on your own.
Levosiz-M Tablet is a combination tablet that helps relieve allergy and respiratory discomfort symptoms. It contains medicines that block certain chemicals in the body that trigger allergic reactions and help reduce symptoms such as sneezing, a runny nose, throat irritation, and cough. By targeting the underlying pathways of allergy and cough reflex, it supports symptom relief when used as directed by your doctor.
Most people do not experience mood or behavior changes with Levosiz-M Tablet. However, if you notice unusual mood swings, increased irritability, agitation, or behavior that seems out of character after starting the medicine, talk to your doctor. These changes are uncommon and may need evaluation to rule out other causes.
Levosiz-M Tablet is intended to relieve allergy-related symptoms such as sneezing, runny nose, and throat irritation, which can be associated with nasal discomfort. It may help improve overall symptoms, but if your blocked nose is due to severe congestion, other targeted treatments (such as a nasal decongestant recommended by your doctor) may provide more direct relief. Consult your doctor for the most appropriate treatment for nasal blockage.
The number of Levosiz-M Tablet tablets you can take in a day depends on your age, symptoms, and your doctor’s prescription. Do not exceed the dose and frequency recommended by your doctor. If you are unsure how many tablets to take or if your symptoms are changing, talk to your doctor for specific instructions.
A cough from a bacterial infection is often accompanied by other signs, such as thick yellow or green sputum, fever, or worsening symptoms over several days rather than improvement. However, distinguishing a bacterial cough from a viral one can be difficult without clinical evaluation. If your cough persists, worsens, or is accompanied by high fever and difficulty breathing, talk to your doctor for proper evaluation and tests.
There is no direct evidence that Levosiz-M Tablet negatively affects kidney function in people with normal kidney health when taken at prescribed doses. However, if you have existing kidney problems, are taking other medicines, or have concerns about kidney health, it’s important to inform your doctor. They can determine whether any monitoring or dose adjustments are needed.
Levosiz-M Tablet should be used during pregnancy only if the expected benefit outweighs the potential risk to the developing baby. The safety can vary depending on the trimester and the reason for use. Always discuss your symptoms, medical history, and stage of pregnancy with your doctor before starting Levosiz-M Tablet.
Yes, in rare cases, Levosiz-M Tablet may cause an allergic skin reaction. Symptoms can include itching, redness, or raised rashes. Even though the medicine is used to treat allergy symptoms, some individuals may be sensitive to its ingredients. If you notice a new rash, swelling of the face, or any unusual skin reaction after taking Levosiz-M Tablet, stop using it and seek medical advice immediately.
Levosiz-M Tablet can be used in both children and older adults, but only when a doctor advises it. In children, the dose needs to be carefully adjusted based on age and body weight, as giving too much can cause side effects. In older adults, the medicine may be started at a lower dose and monitored closely to ensure it is safe and working properly.

Fact Box

Habit Forming

No

Therapeutic Class

RESPIRATORY

References

  1. CiplaMed: Montelukast sodium + Levocetirizine dihydrochloride [Prescribing Information]. 2023. [Accessed 24 Oct. 2025]. (online) Available from:
  2. Adsule SM, Misra D. Long term treatment with montelukast and levocetirizine combination in persistent allergic rhinitis: review of recent evidence. J Indian Med Assoc. 2010;108(6):381-382. [Accessed 16 Apr. 2020]. (online) Available from:
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User feedback

Once A Day
100%
Others
100%
Excellent
65%
Average
29%
Poor
6%
No Side Effect
69%
Dryness in mouth
19%
Headache
12%
With or without food
47%
With food
47%
Empty stomach
7%
Expensive
47%
Average
36%
Not Expensive
18%
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Disclaimer

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

Marketer details

Name: Systopic Laboratories Pvt Ltd
Address: 101, Pragati Chambers, Commercial Complex, Ranjit Nagar, New Delhi-110008

Vendor Details

Country of origin: India
A licensed vendor partner from your nearest location will deliver Levosiz-M Tablet. Once the pharmacy accepts your order, the details of the pharmacy will be shared with you. Acceptance of your order is based on the validity of your doctor's ℞ and the availability of this medicine.

In case of any issues, contact us

Email ID: [email protected]
Phone Number: 0124-4166666
Address: 5th Floor Tower - B of the Presidency Building, 46/4 Mehrauli Gurgaon Road, Sector 14, Gurugram, Haryana-122001, India

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