Onimex Syrup 100 ml

Written By Bayyarapu Mahesh Kumar , M Pharmacy

Reviewed By Santoshini Reddy G , M Pharmacy

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About Onimex Syrup

Onimex Syrup belongs to the class of medicines called 'expectorants' primarily used to treat cough associated with mucus. Coughing (dry or productive) is the body's mechanism to remove irritants from the airways and prevent infection. Coughs are classified into two types: dry cough and chesty cough. A dry cough does not produce mucus, whereas a chesty cough (wet cough) produces mucous or sputum to help clear the airways.

Onimex Syrup is a combination of two drugs: Ambroxol hydrochloride (mucolytic agent) and Guaiphenesin (expectorant). Ambroxol hydrochloride acts by thinning and loosening phlegm (mucus) in the lungs, windpipe, and nose. Guaiphenesin raises the volume of fluid in the airways, lowers the stickiness of mucus, and aids in its removal from the airways. Thereby, Onimex Syrup helps provide relief from cough.

Take Onimex Syrup with or without food. Your doctor will prescribe how frequently you need to take Onimex Syrup based on your medical condition. Some people may experience nausea, vomiting, sleepiness, headache, dizziness, stomach upset and diarrhoea. Most of these side effects do not necessitate medical treatment and resolve gradually over time. However, please consult your doctor if the side effects persist or worsen.

Please inform your doctor if you are allergic to any of the components in Onimex Syrup . Consult your doctor if you are pregnant or breastfeeding. Inform your doctor if you have heart, liver, or kidney problems, stomach ulcers, thyroid disorders, diabetes, inflammation of air passages, lung disorders, or difficulty breathing. Keep your doctor updated about your medical condition and medications to rule out any potential negative effects.

Uses of Onimex Syrup

Chesty cough or Productive cough

Directions for Use

Oral liquid: Shake the bottle well before use. Take it with or without food in doses prescribed by your doctor with the help of a measuring cup provided with the pack.Tablet: Swallow it as a whole with water. Do not crush or chew it.

Medicinal Benefits

Onimex Syrup belongs to the class of medicines called 'expectorants' primarily used to treat cough associated with mucus. Onimex Syrup is a combination of two drugs: Ambroxol hydrochloride (mucolytic agent) and Guaiphenesin (expectorant). Ambroxol hydrochloride acts by thinning and loosening phlegm (mucus) in the lungs, windpipe, and nose. Guaiphenesin raises the volume of fluid in the airways, lowers the stickiness of mucus, and aids in its removal from the airways. Together, Onimex Syrup helps provide relief from cough.

Storage

Keep out of sight and reach of children.

Drug Warnings

If you are allergic to Onimex Syrup or any other medicines, please tell your doctor. If you are pregnant or breastfeeding, it is advised to inform your doctor before using Onimex Syrup . If you have diabetes, fits, high blood pressure, overactive thyroid, stomach ulcers, phenylketonuria (a birth defect that causes accumulation of amino acid, phenylalanine in the body), kidney, liver or heart problems, inform your doctor before taking Onimex Syrup .

Drug-Drug Interactions

GuaifenesinProcarbazine

Severe

Drug-Drug Interactions

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GuaifenesinProcarbazine

Severe

How does the drug interact with Onimex Syrup 100 ml:
-

How to manage the interaction:
Co-administration of Onimex Syrup 100 ml with Procarbazine can possibly result in an interaction, but it can be taken if your doctor has advised it. Do not discontinue any medications without first consulting your doctor.

Drug-Food Interactions

No Drug - Food interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Food Interactions

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Diet & Lifestyle Advise

Avoid dairy products such as milk as it may increase mucus production. Also, avoid processed or refined foods.
Replace baked foods, fried foods, white bread, white pasta, french fries, sugary desserts and chips with green leafy vegetables.
Drink plenty of fluids to avoid a dry throat. It also helps loosen mucus.
Avoid citrus fruits as they may worsen the cough. Eat fruits rich in water content, such as pears, watermelon, peaches and pineapples.

Side Effects of Onimex Syrup

Nausea
Vomiting
Drowsiness
Headache
Dizziness
Stomach upset
Diarrhoea

Habit Forming

No

Therapeutic Class

EXPECTORANT AND COUGH PRODUCTS

Author Details

Written By

Bayyarapu Mahesh Kumar

M Pharmacy

Reviewed By

Santoshini Reddy G

M Pharmacy

Last Updated

Jul 8, 2025 | 9:45 AM IST

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Drug-Diseases Interactions

No Drug - Disease interactions found in our database. Some may be unknown. Consult your doctor for what to avoid during medication.

Drug-Diseases Interactions

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FAQs

How does Onimex Syrup work?

Onimex Syrup contains Ambroxol hydrochloride and Guaiphenesin. Ambroxol hydrochloride works by thinning and loosening phlegm (mucus) in the lungs, windpipe, and nose. Thereby helping to cough out phlegm easily. Guaiphenesin increases the volume of fluid in the airways, reduces the stickiness of mucus, and helps to remove it from the airways.

Does Onimex Syrup cause drowsiness?

Onimex Syrup may cause drowsiness or dizziness. It is not necessary for everyone taking Onimex Syrup to experience this side effect. Therefore, avoid driving if you feel drowsy or dizzy after taking Onimex Syrup .

Is Onimex Syrup safe for diabetic patients?

Onimex Syrup should be used with caution in diabetic patients if prescribed by a doctor. However, regular monitoring of blood sugar levels is recommended while taking Onimex Syrup as it may increase blood sugar levels.

How long should I take Onimex Syrup ?

You are recommended to take Onimex Syrup for as long as your doctor has prescribed it. However, if the symptoms persist or worsen with rash, fever or persistent headache even after one week of using Onimex Syrup , please consult your doctor.

Can I stop taking Onimex Syrup on my own?

You are not recommended to stop taking Onimex Syrup without consulting your doctor as it may worsen cough or cause recurring symptoms. Therefore, take Onimex Syrup for as long as your doctor has prescribed it, and if you experience any difficulty while taking Onimex Syrup , please consult your doctor.

Drug-Drug Interactions Checker List

ERYTHROMYCIN
DOXYCYCLINE
CEFUROXIME
AMOXICILLIN

Special Advise

Regularly monitor blood sugar levels while taking Onimex Syrup if you have diabetes as it may increase blood sugar levels.

Disease/Condition Glossary

Productive cough: Coughing is a body's way of clearing irritants (like allergens, mucus or smoke) from airways and preventing infection. A productive cough (wet cough) brings up sputum (phlegm, mucus and other matter) from the lungs. Cough occurs as a response to allergy or viral infection but coughing up mucus is possibly an indication of infection in the respiratory tract. If you are coughing thick, solid white mucus, it indicates a bacterial infection in the airways. If the mucus is clear or light-coloured, it indicates allergies or a minor infection in the respiratory tract, and yellow or green mucus indicates a respiratory infection.