> Western Medicines > Ambroxol


Chinese name:

What is Ambroxol for?

Ambroxol belongs to a group of medications called mucolytic agents, which includes Acetylcysteine. It works by reducing the thickness of your phlegm so that it can be coughed out more easily. Therefore, it is most commonly used for treating wet cough.

How to use it?

Ambroxol is taken by mouth in tablets or syrup form.


If you are taking Ambroxol for wet cough, the usual adult dose is taking 30-60 mg 2-3 times per day. If you are taking the sustained-release (SR) tablet/capsule, the dose is 75 mg once daily (Mucosolvan retard or SR product).

What are the side effects of Ambroxol?

Side effects of oral Ambroxol are uncommon and mostly occur in adults, including diarrhoea, nausea, and vomiting.

Who should not take Ambroxol?

  • No specific situation or population in which Ambroxol should not be used has been reported. 

Pharmacist Tips:

Common dosing schedule:
Ambroxol may be taken with or without food.


This schedule is for reference only, adjustments may be made according to individual needs.


Some common medications Ambroxol may interact with:

  • Any medications that may inhibit cough, e.g. Codeine

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Ambroxol in Hong Kong?

In Hong Kong, Ambroxol is an over-the-counter medicine that can be purchased without a prescription from any retail outlet in Hong Kong. This includes grocery stores, convenience stores, medicine shops, and pharmacies. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Ambroxol in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Brands in Hong Kong
Strepsils Chesty Cough
Panacough Expectorant Extra
Available dosage
  • 75mg (Capsules)
  • 15mg/5ml / 30mg/5ml (Syrup)
  • 15mg / 30mg (Tablets)
Drug class
Cough and Common Cold Medicines
Sub class
Other drugs in same class