Used for: Constipation
Chinese name:

What is Agiolax for?

Agiolax is a bulk-forming laxative. It is a combination of three herbal materials Ispaghula husk, Sennoside B and Plantago seed. It can absorb liquid in the intestine to make stool more bulky and softer, so that stool can pass more easily. Therefore, Agiolax is used for treating constipation.

How to use it?

Agiolax is available as granules in Hong Kong. The granules should not be chewed and should be swallowed as a whole.


Child above 12 years of age, adult and elderly
1 teaspoon with a full glass of water or any semi-liquid food in the evening.

What are the side effects of Agiolax?

Common side effects of Agiolax include water and electrolyte imbalance, diarrhoea, albumin or blood in urine, cardiac function disorders and spasmodic gastrointestinal tracts.

Who should not take Agiolax?

  • People below 10 years of age.
  • Patients with abnormal stenoses in the gastrointestinal tract, ileus, diabetes mellitus that is difficult to control, acute inflammatory intestinal diseases.
  • People with water and electrolyte loss.
  • Patients with abdominal pain syndromes of unknown cause.
  • People with a difficulty in swallowing.
  • Patients with fructose intolerance, malabsorption of glucose and galactose or sucrase-isomaltase.
  • People with faecal impaction.

Pharmacist Tips:

  • It takes 8-12 hours for the drug to take effect.
  • Ensure you take it with enough liquid and are able to swallow well, otherwise, it may lead to choking.
  • The granules should not be chewed and should be swallowed as a whole.
  • Avoid prolonged use as it may worsen the lack of bowel movement.
  • Add fruits and vegetables to your diet.
  • Don’t ignore the urge to defecate.

Common dosing schedule:
Agiolax is taken once in the evening with a full glass of water or any semi-liquid food.


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


Some common medications Agiolax may interact with:

  • N/A

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

Where to buy Agiolax in Hong Kong?

In Hong Kong, Agiolax is an over-the-counter medicine and 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 Agiolax 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
  • (Granules)
Drug class
Sub class
Bulk-Forming Laxatives
Generic Names
Plantago Seed
Sennoside B
Other drugs in same class
Normacol Plus
Used for: Constipation
Chinese name:
Used for: Constipation
Chinese name:
Used for: Constipation, Irritable bowel syndrome
Chinese name: