> Western Medicines > Diamicron


Used for: Type 2 diabetes
Chinese name:

What is Diamicron?

Diamicron is a brand medication that contains Gliclazide, which belongs to a class of medication called sulfonylureas. It works by stimulating the release of insulin and sensitizing your body to insulin. Therefore, it is used for the treatment of type 2 diabetes mellitus.

How to use it?

Diamicron is available as modified-release tablets.

The usual initial dose is 30 mg once daily, and may be increased in 30 mg increments every month. For patients with poor blood glucose control, the dose may be increased after 2 weeks of starting. The maximum dose is 120 mg once daily.

What are the side effects of Diamicron?

Common side effects of Diamicron include low blood sugar, weight gain, abdominal pain and constipation.

Who should not take Diamicron?

  • Anyone who is allergic to any component of Diamicron or other sulfonylureas or sulfonamides
  • Patients with type 1 diabetes
  • Patients with severe renal or hepatic impairment

Pharmacist Tips:

  • Non-drug management, including diet and exercise, also plays an important role in controlling both diabetes.
  • Avoid drinking alcohol while taking this medicine.
  • Taking Diamicron may result in low blood glucose. Look out for signs like drowsiness, confusion, cool pale skin and fast heartbeat. If it occurs, consume sugar-containing food or drinks immediately and tell your doctor.

Common dosing schedule: 

Diamicron should be taken in the morning with food.


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


Some common medications Diamicron may interact with:

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

Where to buy Diamicron in Hong Kong?

In Hong Kong, Diamicron 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 Diamicron 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
  • 30mg / 60mg (Modified-Release Tablets)
Drug class
Antidiabetic Drugs
Sub class
Generic Names
Other drugs in same class