Used for: Reducing risks of cardiovascular diseases, High blood pressure
Chinese name:

What is Twynsta?

Twynsta is a brand medication that contains Telmisartan and Amlodipine, which belongs to a class of antihypertensives called angiotensin receptor blockers (ARBs) and Calcium channel blockers. ARBs work by blocking the substances that constrict the blood vessels and hence more blood and oxygen can reach the heart. Amlodipine helps with dilating the blood vessels to lower the blood pressure. Twynsta is therefore used in treating high blood pressure and reducing the risk of cardiovascular events, like heart failure and heart attack.

How to use it?

Telmisartan is available as tablets. It may be taken with or without food. 

For high blood pressure,
The initial starting dose is 40/5mg once daily. It can go up to 80/10mg after 2 weeks of starting therapy.

What are the side effects of Twynsta?

Common side effects of Twynsta include diarrhoea, dizziness, headache, high potassium levels, low blood pressure, postural hypotension and lower leg swelling.

Who should not take Twynsta?

  • People who are allergic to Twynsta or any component of the formulation.
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Where to buy Twynsta in Hong Kong?

In Hong Kong, Twynsta 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

Need more information?

For detailed information about the use of Twynsta 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.

Available dosage
  • 40/5mg / 40/10mg / 80/5mg / 80/10mg (Tablets)
Drug class
Sub class
Angiotensin II Receptor Blockers (ARBs)
Other drugs in same class