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Tranexamic Acid

Used for: Excessive bleeding, Heavy menstrual flow
Chinese name:

What is Tranexamic Acid for?

Tranexamic Acid is an antifibrinolytic that helps with blood clotting and prevents prolonged bleeding. It therefore can be used to manage menorrhagia (heavy bleeding during menstruation), hereditary angioedema, and bleeding.

How to use it?

Tranexamic Acid can be taken by mouth as tablets or capsules, and by injections.


If you are using it for menorrhagia, you should take 1g 3 times daily during menstruation for up to 5 days.


If you are using it for hereditary angioedema, you should take 1-1.5g 2-3 times daily.


If you are using it for short-term management of bleeding, you should take 1-1.5g OR 15-25mg/kg 2-3 times daily.

What are the side effects of Tranexamic Acid?

Common side effects of Tranexamic Acid include diarrhoea, nausea and vomiting.

Who should not take Tranexamic Acid?

  • People who are allergic to Tranexamic Acid or any formulation component
  • Patients with active thromboembolic disease, history or at high risk of it
  • Women on hormonal contraceptives

Pharmacist Tips:

  • Report to your doctor or pharmacist if there are any vision changes after taking Tranexamic Acid.

Common dosing schedule: 

  • You can take Tranexamic Acid with or without food.

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


Some common medications Tranexamic Acid may interact with:

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

Where to buy Tranexamic Acid in Hong Kong?

In Hong Kong, Tranexamic Acid is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. 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 Tranexamic Acid 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
Available dosage
  • 250mg / 500mg (Capsules)
  • 250mg/5ml (Injections)
Drug class
Sub class
Plasmin Inhibitors
Other drugs in same class
Used for: Excessive bleeding, Heavy menstrual flow
Chinese name: