> Western Medicines > Ispaghula Husk

Ispaghula Husk

Used for: Constipation
Chinese name:

What is Ispaghula Husk for?

Ispaghula Husk is a type of bulk-forming laxative. It works by drawing more liquid into the bowel to make stool more bulky and softer, so that stool can pass more easily. It is therefore used to treat constipation.

How to use it?

Ispaghula Husk is available as oral powder and granules. The granules should not be chewed and should be swallowed as a whole. 


Adult and children above 12 years of age
Granules: Take 1 teaspoon with a full glass of water or any semi-liquid food in the evening.
Oral powder: Take 2.5-30g daily in divided doses.


Child between 6-11 years of age
Take 1.25-15g daily in divided doses.

What are the side effects of Ispaghula Husk?

Common side effects of Ispaghula Husk include water and electrolyte imbalance and diarrhoea.

Who should not take Ispaghula Husk?

  • Patients with acute inflammatory intestinal diseases.
  • Patients with undiagnosed abdominal pain syndromes.
  • People with swallowing difficulties.
  • Patients with fructose intolerance, malabsorption of glucose and galactose or sucrase-isomaltase.
  • People with faecal impaction.
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Where to buy Ispaghula Husk in Hong Kong?

In Hong Kong, Ispaghula Husk 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 https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Ispaghula Husk 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
  • (Granules)
  • (Oral Powder)
Drug class
Sub class
Bulk-Forming Laxatives
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Used for: Constipation
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