Zyrex LS Syrup

Reviewed By Dr. Rajeev Sharma, MBA, MBBS

Last updated on 09 Apr 2026 | 11:23 PM (IST)

Zyrex LS Syrup is a combination medicine used in the treatment of cough with mucus. It thins mucus in the nose, windpipe, and lungs, making it easier to cough out. It also provides relief from a runny nose, sneezing, itching, and watery eyes.

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₹70.4 MRP ₹79.6912% off

Zyrex LS Syrup is currently sold out

Same composition alternative:

Alkof LS Plus Cough Syrup

₹114~~₹129.35~~

92% cheaper alternative available from Alkem Laboratories

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Zyrex LS Syrup

bottle of 5 ml Syrup

₹70.4

~~₹79.69~~

Same composition

Alkof LS Plus Cough Syrup

bottle of 100 ml Syrup

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

by Alkem Laboratories Ltd

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₹114

₹0.97 per ml

₹96.9

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₹1200

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General Information

Contains

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

Marketer

Jayraj Medico

Storage

Store below 30°C

The content is shown in English

Product introduction

Zyrex LS Syrup can be taken with or without food. Take it in the dose and duration advised by the doctor. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early, your symptoms may come back. Let your doctor know about all other medications you are taking, as some may affect, or be affected by, this medicine.

The most common side effects include nausea, diarrhea, stomach pain, vomiting, muscle cramps, headache, skin rash, and increased heart rate. Most of these effects are usually temporary and often resolve with time. Contact your doctor if you are concerned about any of these side effects. This medicine may also cause sleepiness, so do not drive or perform activities that require mental alertness until you know how this medicine affects you.

Never support self-medication or recommend your medicine to another person. Drink plenty of fluids while taking Zyrex LS Syrup. Before taking this medicine, tell your doctor if you are pregnant, planning pregnancy, or breastfeeding. You should also tell your doctor if you have any kidney or liver diseases so that your doctor can prescribe a suitable dose for you. Avoid drinking alcohol while taking this medicine, as it can make sleepiness worse.

Uses of Zyrex LS Syrup

Treatment of Cough with mucus : Zyrex LS Syrup helps loosen and clear mucus from the airways, relieving cough and chest congestion in conditions such as bronchitis, respiratory infections, or COPD.

Benefits of Zyrex LS Syrup

Treatment of Cough with mucus
A cough with mucus occurs when thick secretions block the airways, causing breathing difficulty and frequent coughing. Zyrex LS Syrup loosens mucus, promotes its removal, and opens the airways. This helps reduce cough, clear congestion, and make breathing easier.

Side effects of Zyrex 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 Zyrex LS

Upset stomach
Stomach pain
Allergic reaction
Dizziness
Hives
Tremors
Palpitations
Muscle cramp
Increased heart rate
Nausea
Vomiting
Diarrhea
Headache
Rash

How to use Zyrex 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. Zyrex LS Syrup may be taken with or without food.

How Zyrex LS Syrup works

Zyrex LS Syrup is a combination of three medicines: ambroxol, levosalbutamol, and guaifenesin. Ambroxol is a mucolytic that thins and loosens mucus in the airways, making it easier to cough up. Levosalbutamol is a bronchodilator that relaxes the muscles around the airways, helping open them and making breathing easier. Guaifenesin is an expectorant that helps clear mucus from the airways by making it thinner and less sticky, promoting its removal through coughing. Together, these medicines help reduce mucus buildup, ease breathing, and relieve cough associated with mucus.

All substitutes for Zyrex LS Syrup

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

Quick tips

Zyrex LS Syrup is used to relieve cough with mucus by thinning and clearing phlegm from the airways.
Drink plenty of fluids while taking Zyrex LS Syrup, as this helps loosen mucus and improves its effect.
Zyrex LS Syrup is not meant for dry cough (cough without mucus).
Zyrex LS Syrup may cause dizziness or sleepiness. Do not drive or operate machinery until you know how it affects you.
Stop taking Zyrex LS Syrup and contact your doctor if you develop severe palpitations, chest discomfort, tremors, or a very fast heartbeat.
Inform your doctor if you have heart disease, high blood pressure, thyroid disorders, or diabetes before taking Zyrex LS Syrup.
Do not take more than the recommended dose, as overdose may cause rapid heartbeat, nervousness, or tremors.
Consult your doctor if your cough lasts more than a few days, worsens, or is accompanied by fever, breathlessness, or chest pain.
Do not use Zyrex LS Syrup without medical advice in children, pregnant or breastfeeding women.

Safety advice

Alcohol

CAUTION

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

Pregnancy

CONSULT YOUR DOCTOR

The safety of Zyrex 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

Zyrex 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

Zyrex LS Syrup may cause side effects that could affect your ability to drive.

Kidney

CAUTION

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

Liver

CAUTION

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

Frequently asked questions

What is Zyrex LS Syrup and what is it used for?

Zyrex LS Syrup is used to treat cough with mucus (wet or productive cough). It helps thin and loosen phlegm so it can be coughed out more easily and also relaxes the airway muscles to improve breathing. It contains ambroxol, a mucolytic that thins mucus; guaifenesin, an expectorant that reduces mucus stickiness; and levosalbutamol, a bronchodilator that relaxes airway muscles. Because it works by clearing mucus, it is usually not recommended for dry cough where little or no phlegm is present. Use it only as advised by a doctor.

What side effects can Zyrex LS Syrup cause?

Zyrex LS Syrup is generally safe when used as prescribed, but some people may experience nausea, vomiting, diarrhea, stomach pain, dizziness, headache, tremors, palpitations, or muscle cramps. Mild rash or allergic reactions may also occur. These effects are usually temporary. Stop the medicine and contact your doctor if you develop severe rash, breathing difficulty, fainting, a very fast heartbeat, or persistent vomiting or diarrhea.

Who should avoid Zyrex LS Syrup or use it with caution?

Zyrex LS Syrup should not be used by people who are allergic to any of its components. Zyrex LS Syrup may interact with medicines such as beta-blockers and other drugs used for heart or breathing conditions. Extra care is needed during pregnancy, breastfeeding, or in people with kidney, liver, heart, or blood pressure problems. Always inform your doctor about your medical history and other medicines before using it.

When should Zyrex LS Syrup be taken or used?

Zyrex LS Syrup should be used only for the reason and duration advised by your doctor. Take it at the time recommended by your doctor. If it causes stomach discomfort, your doctor may suggest taking it after food and maintaining adequate hydration.

Can Zyrex LS Syrup be taken with food or after meals?

Zyrex LS Syrup should be taken exactly as advised by your doctor. Some people may prefer taking it after meals to reduce stomach discomfort. Food may affect comfort or how quickly the medicine works in some cases. If you are unsure about the timing with meals, consult your doctor for guidance.

Can I drink alcohol while using Zyrex LS Syrup?

It is usually better to avoid alcohol while using Zyrex LS Syrup unless your doctor advises otherwise. Alcohol may worsen side effects such as dizziness, stomach upset, vomiting, or dehydration. If you experience these side effects or unusual symptoms after mixing alcohol with this medicine, seek medical advice.

Can Zyrex LS Syrup interact with other medicines?

Yes, Zyrex LS Syrup can interact with some medicines. Taking it with other medicines without medical advice may increase the risk of side effects or make the treatment less effective. Always tell your doctor about all the medicines you are taking, including over-the-counter medicines and supplements.

Does Zyrex LS Syrup contain paracetamol?

No, Zyrex LS Syrup does not contain paracetamol; it contains ambroxol, guaifenesin, and levosalbutamol. These medicines help loosen and thin mucus, make it easier to cough out, and relax the airways to make breathing easier.

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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: Jayraj Medico
Address: C - 101, Kailash Industrial Estate, Veer Savarkar Marg, Vikhroli Hiranandani Link Road, Vikhroli Parksite, Vikhroli (w), Mumbai - 400079

Vendor Details

Country of origin: India

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Zyrex LS Syrup

Save more with additional offers

Save more with additional offers

General Information

Contains

Marketer

Storage

Product introduction

Uses of Zyrex LS Syrup

Benefits of Zyrex LS Syrup

Side effects of Zyrex LS Syrup

How to use Zyrex LS Syrup

How Zyrex LS Syrup works

All substitutes for Zyrex LS Syrup

Alkof LS Plus Cough Syrup

Kofcatch LS Syrup

Kofcatch LS Plus Syrup

Ericuf LS Syrup

Ambrid LS Syrup

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Zyrex LS Syrup and what is it used for?

What side effects can Zyrex LS Syrup cause?

Who should avoid Zyrex LS Syrup or use it with caution?

When should Zyrex LS Syrup be taken or used?

Can Zyrex LS Syrup be taken with food or after meals?

Can I drink alcohol while using Zyrex LS Syrup?

Can Zyrex LS Syrup interact with other medicines?

Does Zyrex LS Syrup contain paracetamol?

Fact Box

Habit Forming

Therapeutic Class

Related lab tests

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