Curerex LS Syrup

Levosalbutamol (1mg)+ Ambroxol (30mg)+ Guaifenesin (50mg)+ Menthol (1mg)

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Curerex LS Syrup is a combination medicine used in the treatment of asthma. It helps in relaxing the muscles of the air passages, thus widening it and making it easier to breathe. It also thins and loosens mucus in the nose, windpipe and making it easier to cough out.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 19 Jun 2026 | 02:50 PM (IST)

₹76.9 MRP ₹89.0614% off

Gurgaon

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General Information

Contains

Levosalbutamol (1mg)+ Ambroxol (30mg)+ Guaifenesin (50mg)+ Menthol (1mg)

Marketer

Balsons Pharmaceutical

Storage

Store below 30°C

The content is shown in English

Product introduction

Curerex LS Syrup is taken in a dose and duration as advised by the doctor. The dose you are given will depend on your condition and how you respond to the medicine. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your healthcare team know about all other medications you are taking as some may affect, or be affected by this medicine.

The most common side effects are blurred vision, Eee disorder, Ddy eye, abnormal sensation in eyes, and taste change. 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.

Before taking this medicine, you should tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. You should also tell your doctor if you are pregnant, planning pregnancy or breastfeeding.

Uses of Curerex LS Syrup

Asthma

Benefits of Curerex LS Syrup

Asthma
Asthma is a condition in which your airways become narrow and as a result, breathing becomes difficult. Curerex LS Syrup helps in easy breathing by widening your airways. It also gives relief from symptoms such as tightness in your chest, shortness of breath, wheezing and coughing. Regular exercise and yoga can help improve the symptoms of asthma in the long term, in addition to improving overall health.

Side effects of Curerex LS Syrup

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 Curerex LS

Sleepiness
Dizziness
Lightheadedness
Headache
Dryness in mouth
Nausea
Vomiting
Constipation

How to use Curerex LS Syrup

Take this medicine in the dose and duration as advised by your doctor. Check the label for directions before use. Measure it with a measuring cup and take it by mouth. Shake well before use. Curerex LS Syrup may be taken with or without food.

How Curerex LS Syrup works

Curerex LS Syrup is a combination of four medicines. Levosalbutamol is a bronchodilator. It works by relaxing the muscles in the airways and widens airways. This makes breathing easier. Ambroxol is a mucolytic medication. It thins and loosens mucus (phlegm) in the nose, windpipe and lungs making it easier to cough out and breathing. Guaifenesin is an expectorant which decreases the stickiness of mucus (phlegm) and further helps in its removal from the airways. Menthol is an extract from peppermint that produces a sensation of coolness and relieves minor throat irritation.

All substitutes for Curerex LS Syrup

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

Quick tips

You have been prescribed Curerex LS Syrup for the treatment of asthma.
It does not work right away and should not be used to relieve sudden breathing problems. Always keep a fast-acting (rescue) inhaler with you.
If at any time your breathing gets worse, please contact your doctor or nurse for advice straightaway.
Inform your doctor if you have heart problems, high blood pressure or diabetes.
If you are due to have an operation or any dental treatment, tell the person carrying out the treatment which medicines you are taking, as some anesthetics can interfere with Curerex LS Syrup.
Do not smoke. Smoking causes irritation and damage to the lungs and will make your condition worse.
Try to keep your regular appointments with your doctor. This is so your doctor can review your condition on a regular basis.

Safety advice

Alcohol

CAUTION

Alcohol should be used with caution while taking Curerex LS Syrup.

Pregnancy

CONSULT YOUR DOCTOR

The safety of Curerex LS Syrup 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

CONSULT YOUR DOCTOR

Curerex LS Syrup 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

UNSAFE

Curerex LS Syrup may decrease alertness, affect your vision, or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

CAUTION

Curerex LS Syrup should be used with caution in patients with kidney disease. Dose adjustment may be needed.

Liver

CAUTION

Curerex LS Syrup should be used with caution in patients with severe liver disease. Dose adjustment may be needed.

Frequently asked questions

What is Curerex LS Syrup used for?

Curerex LS Syrup is used to relieve cough with mucus (phlegm), chest congestion, wheezing, and breathing difficulties associated with respiratory conditions such as bronchitis, asthma, and other airway disorders. It helps loosen mucus, clear the airways, and make breathing more comfortable. It is generally used when cough is accompanied by phlegm rather than a dry, irritating cough.

How does Curerex LS Syrup work?

Curerex LS Syrup contains levosalbutamol, ambroxol, guaifenesin and menthol, which work together to improve breathing and relieve cough. Levosalbutamol helps relax and widen the airways, making it easier to breathe. Ambroxol helps thin and break down thick mucus in the airways. Guaifenesin helps loosen mucus and promotes its removal from the lungs and air passages through coughing. Menthol provides a soothing sensation in the throat and airways, helping to ease irritation. Together, these ingredients help clear mucus, reduce chest congestion and improve airflow.

Is Curerex LS Syrup suitable for dry cough?

Curerex LS Syrup is mainly used for cough with mucus or chest congestion. It may not be the preferred option for a dry cough that occurs without phlegm. The most appropriate treatment depends on the cause and type of cough.

Can Curerex LS Syrup be taken on an empty stomach?

Yes, Curerex LS Syrup may be taken with or without food. If you experience nausea, stomach discomfort, or irritation, taking it after meals may help improve tolerance. Follow the dosing schedule advised by your doctor.

Can Curerex LS Syrup be used during a sudden asthma attack?

No. Curerex LS Syrup is not a rescue medicine for sudden asthma attacks or severe breathing emergencies. It is intended to help manage symptoms and mucus buildup over time. Seek immediate medical attention and use your prescribed rescue inhaler if you experience a sudden worsening of breathing.

How quickly does Curerex LS Syrup start working?

Some individuals may notice improvement in mucus clearance, cough, and breathing discomfort within a few days of starting treatment. The exact response varies depending on the underlying condition and severity of symptoms. Continue taking the medicine as prescribed for the best results.

Does Curerex LS Syrup cause sleepiness?

Curerex LS Syrup does not usually cause significant sleepiness. However, some individuals may experience dizziness or mild drowsiness. If you feel less alert than usual, avoid activities that require full concentration until you know how the medicine affects you.

Why should I inform my doctor about heart disease, high blood pressure, or diabetes?

The Levosalbutamol component may affect heart rate, blood pressure, or blood sugar levels in some individuals. People with heart disease, hypertension, diabetes, or thyroid disorders may require closer monitoring during treatment. Providing a complete medical history helps ensure safe use of the medicine.

Why is it important to complete the prescribed course of Curerex LS Syrup?

Even if you start feeling better, completing the prescribed course helps ensure that mucus, congestion, and respiratory symptoms are managed properly. Stopping treatment too early may result in incomplete symptom relief. Follow your doctor's instructions regarding treatment duration.

Is Curerex LS Syrup a steroid?

No, Curerex LS Syrup does not contain a steroid. It contains medicines that help relax the airways, loosen mucus, and make it easier to clear phlegm from the respiratory tract.

Can Curerex LS Syrup help clear mucus from the chest?

Yes, Curerex LS Syrup is specifically designed to help loosen thick mucus and make it easier to cough out. This may reduce chest congestion and make breathing more comfortable. Adequate hydration may also help support mucus clearance.

Why am I still coughing after taking Curerex LS Syrup?

Cough may persist for some time even after mucus starts clearing, especially if the airways remain irritated or inflamed. Recovery depends on the underlying cause of the cough and individual response to treatment. If symptoms worsen, breathing becomes difficult, or the cough continues despite treatment, further evaluation may be needed.

Can I drink water after taking Curerex LS Syrup?

Yes, you can drink water after taking Curerex LS Syrup. Staying well hydrated may actually help thin mucus and make it easier to clear from the airways. Maintaining adequate fluid intake may support recovery from productive cough and chest congestion.

Fact Box

Habit Forming

Therapeutic Class

RESPIRATORY

Related lab tests

Absolute Eosinophil Count

Complete Blood Count

References

Boushey HA. Drugs Used in Asthma. In: Katzung BG, Masters SB, Trevor AJ (Editors). Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 339-356.
Westfall TC, Macarthur H, Westfall DP. Adrenergic Agonists and Antagonists. In: Brunton LL, Hilal-Dandan R, Knollmann BC (Editors). Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 13th ed. New York, NY: McGraw-Hill Education; 2018. pp. 191-223.
Barnes PJ. Pulmonary Pharmacology. In: Brunton LL, Hilal-Dandan R, Knollmann BC (Editors). Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 13th ed. New York, NY: McGraw-Hill Education; 2018. pp. 727-749.

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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: Balsons Pharmaceutical
Address: Plot No. 859,Udyog Vihar, Phase-V, Gurgaon -122016 Haryana

Vendor Details

Country of origin: India

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Curerex LS Syrup

Curerex LS Syrup

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Curerex LS Syrup

Benefits of Curerex LS Syrup

Side effects of Curerex LS Syrup

How to use Curerex LS Syrup

How Curerex LS Syrup works

All substitutes for Curerex LS Syrup

Olytuss LS Syrup

Ambrodex L Syrup

Clarry LS Syrup

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Curerex LS Syrup used for?

How does Curerex LS Syrup work?

Is Curerex LS Syrup suitable for dry cough?

Can Curerex LS Syrup be taken on an empty stomach?

Can Curerex LS Syrup be used during a sudden asthma attack?

How quickly does Curerex LS Syrup start working?

Does Curerex LS Syrup cause sleepiness?

Why should I inform my doctor about heart disease, high blood pressure, or diabetes?

Why is it important to complete the prescribed course of Curerex LS Syrup?

Is Curerex LS Syrup a steroid?

Can Curerex LS Syrup help clear mucus from the chest?

Why am I still coughing after taking Curerex LS Syrup?

Can I drink water after taking Curerex LS Syrup?

Fact Box

Habit Forming

Therapeutic Class

Related lab tests

Absolute Eosinophil Count

Complete Blood Count

References

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests