Onimex Expectorant

Ambroxol (30mg)+ Guaifenesin (200mg)

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Onimex Expectorant is 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 runny nose, sneezing, itching, and watery eyes.

Written By Dr. Sakshi Jain, MS, BDS,
Reviewed By Dr. Rajeev Sharma, MBA, MBBS,
Last updated on 13 May 2026 | 11:50 AM (IST)

₹49.8 MRP ₹55.2510% off

Gurgaon

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General Information

Contains

Ambroxol (30mg)+ Guaifenesin (200mg)

Marketer

Emcee Pharmaceuticals Pvt Ltd

Storage

Store below 30°C

The content is shown in English

Product introduction

Onimex Expectorant is taken with or without food 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 nausea, vomiting, diarrhea, stomach pain, headache, rash, and stomach upset. 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 can also cause 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 make sleepiness worse.

Never support self-medication or recommend your medicine to another person. It is beneficial to have plenty of fluids while taking this medication. Before taking this medicine, you should 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.

Uses of Onimex Expectorant

Cough with mucus

Benefits of Onimex Expectorant

Cough with mucus
Onimex Expectorant gives relief from cough with mucus. It helps to loosen thick mucus, making it easier to cough out. This makes breathing easy and reduces the frequency of coughing. Onimex Expectorant will also relieve allergy symptoms like watery eyes, sneezing, runny nose or throat irritation. Along with medications, drink enough luke warm water and gargle with warm salt water to ease the symptoms.

Side effects of Onimex Expectorant

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 Onimex

Indigestion
Bloating
Rash
Upper abdominal pain
Urticaria
Itching
Sweating
Changes in serum aminotransferase levels
Tremors
Increased heart rate
Nausea
Vomiting
Diarrhea
Dizziness
Headache

How to use Onimex Expectorant

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. Onimex Expectorant may be taken with or without food.

How Onimex Expectorant works

Onimex Expectorant is a combination of two medicines:

Quick tips

Drink warm water to help loosen the congestion and lubricate your throat while you are taking this medication.
Take this medicine exactly as directed by your doctor or on the label. Do not increase the dosage or take for longer than recommended.
In general, most coughs do not last more than 2 weeks. If your cough does last longer than this, then it's better to consult your doctor.
Inform your doctor if you have a history of stomach ulcers or asthma.

Safety advice

Alcohol

CONSULT YOUR DOCTOR

It is not known whether it is safe to consume alcohol with Onimex Expectorant. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Onimex Expectorant is not recommended during pregnancy as there is positive evidence of fetal risk based on animal studies. However, it may still be prescribed by a doctor in situations where the benefits outweigh the risks.

Breast feeding

CONSULT YOUR DOCTOR

Onimex Expectorant 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

SAFE

Onimex Expectorant does not usually affect your ability to drive.

Kidney

CAUTION

Onimex Expectorant should be used with caution in patients with kidney disease. Dose adjustment may be needed.
Limited information is available on the use of Onimex Expectorant in these patients.

Liver

CAUTION

Onimex Expectorant should be used with caution in patients with severe liver disease. Dose adjustment may be needed.
Limited information is available on the use of Onimex Expectorant in these patients.

Frequently asked questions

What is Onimex Expectorant used for?

Onimex Expectorant is used to treat cough with thick mucus (phlegm). Ambroxol in Onimex Expectorant makes mucus thinner and easier to cough up, while guaifenesin in Onimex Expectorant helps clear mucus from your chest.

Who should not use Onimex Expectorant?

You should avoid taking Onimex Expectorant if you have allergies to ambroxol or guaifenesin, severe heart disease, peptic ulcers, severe kidney problems, or a history of kidney stones. It should also not be used in infants under 6 months without a doctor’s advice.

Can Onimex Expectorant be used for a dry cough?

No, Onimex Expectorant is for treating coughs with thick, sticky mucus (wet cough). It does not work for dry coughs without phlegm.

Are there any serious side effects of Onimex Expectorant?

Serious side effects of Onimex Expectorant are rare, but can include allergic reactions like rash, swelling, or difficulty breathing. However, Onimex Expectorant overdose may cause severe drowsiness, dizziness, vomiting, or a rapid heartbeat. Seek medical help immediately if you experience any of these symptoms.

How do I know if I need to stop taking Onimex Expectorant and see a doctor?

You should stop using Onimex Expectorant, and contact your doctor if your cough is very severe, lasts more than a week, is associated with high fever, breathing difficulty, or if you notice swelling, rash, or persistent headache. These could be signs of more serious underlying health issues, and you may need a different treatment.

Fact Box

Habit Forming

Therapeutic Class

RESPIRATORY

Related lab tests

Complete Blood Count

References

User feedback

Patients taking Onimex Expectorant

Thrice A Day

40%

Twice A Day

40%

Four Times A Day

20%

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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: Emcee Pharmaceuticals Pvt Ltd
Address: DB-107, Ground Floor, Sector-I, Salt Lake City, Kolkata- 700064

Vendor Details

Country of origin: India

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Why we need a prescription?

Home

Respiratory

Other Cough Cold Preparations

Onimex Expectorant

Onimex Expectorant

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General Information

Contains

Marketer

Storage

Product introduction

Uses of Onimex Expectorant

Benefits of Onimex Expectorant

Side effects of Onimex Expectorant

How to use Onimex Expectorant

How Onimex Expectorant works

Quick tips

Safety advice

Alcohol

Pregnancy

Breast feeding

Driving

Kidney

Liver

Frequently asked questions

What is Onimex Expectorant used for?

Who should not use Onimex Expectorant?

Can Onimex Expectorant be used for a dry cough?

Are there any serious side effects of Onimex Expectorant?

How do I know if I need to stop taking Onimex Expectorant and see a doctor?

Fact Box

Habit Forming

Therapeutic Class

Related lab tests

Complete Blood Count

References

User feedback

Patients taking Onimex Expectorant

Want to know more

Have issue with the content

Disclaimer

Marketer details

Vendor Details

Lab tests offered by us

Related/Popular tests