Medicines & Supplements A to Z > Bromhexine


Last updated on 19/03/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Bromhexine


BRAND NAME(S) IN HONG KONG: Bisofan, Broncoxin 化痰適, Decaugh/ Decaugh II 幸福止咳素/幸福百咳素, Duro-Tuss Expectorant 咳樂治化痰止咳露(Contains Bromhexine and Pholcodeine), Metoplex, Mucolix

DRUG CLASS: Mucolytic agent 

USED FOR: Wet cough 

OTHER DRUGS IN THE SAME CLASS: Acetylcysteine, Ambroxol, Carbocisteine

– 8mg, 12mg (tablets)
– 4mg/5ml (syrups)

What is Bromhexine for?

Bromhexine belongs to a group of medications called mucolytic agents, like 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?

Bromhexine is taken orally either in tablets or syrup form. The usual adult dose is 8-16 mg three times daily.

What are the side effects of Bromhexine?

Common side effects of Bromhexine include dizziness, and nausea.

Who should not take Bromhexine?

Anyone who has an allergy to bromhexine.

Pharmacist Tips:

Common dosing schedule:
May be taken with or without food.

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

Some common medications Bromhexine may interact:

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

Where to buy Bromhexine in Hong Kong?

In Hong Kong, Bromhexine 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

Need more information?

For detailed information about the use of Bromhexine 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.