Medicines & Supplements A to Z > Racecadotril


Last updated on 25/07/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Racecadotril



DRUG CLASS: Gastrointestinal drugs

SUB CLASS: Enkephalinase inhibitors

USED FOR: Symptomatic relief of diarrhea, Acute diarrhea

– 100mg (capsules)
– 10mg, 30mg (sachets)

What is Racecadotril for?

Some diarrhea is caused by oversecretion in intestines. Racecadotril decreases the secretion of the gut by preventing degradation of enkephalins in the body. It treats the symptoms of diarrhea.

How to use it?

Racecadotril is available in capsules and sachets for oral use. It should be taken with concurrent rehydration therapy. The capsules can be taken at any time of the day, preferable prior to meals. Do not open, break or chew the capsules. The powder in the sachets can be added to food or a glass of water and taken immediately, or is taken directly.

Adult and elderly
For capsules, take 100mg of Racecadotril 3 times a day before meals until there are 2 normal stools, or for a maximum of 7 days. For sachets, take one or two sachets per dose depending on weight, 3 times a day before meals. 

The dose is adjusted based on the age and weight. Refer to the package insert for the actual dose. Take it until there are 2 normal stools, or for a maximum of 7 days.

What are the side effects of Racecadotril?

Common side effects of Racecadotril include headache. Other side effects include rash and edema. For sachets, tonsillitis, rash and edema are uncommon side effects.

Who should not take Racecadotril?

People allergic to racecadotril and any components in the formulation

Pharmacist Tips:

– Avoid dairy products, food with high fibre content and sugary food.
– Always replenish water and electrolytes. Take Racecadotril with concurrent rehydration therapy.
– If symptoms of severe dehydration occur, such as dizziness and tiredness, seek medical attention.
– If symptoms do not relieve in 48 hours, seek medical attention.

Common dosing schedule:
Take Racecadotril three times a day before each meal with concurrent rehydration therapy.

This schedule is for reference only, your medical professional may adjust the dose for you.

Some common medications Racecadotril may interact with
– ACE inhibitor, e.g. Captopril, Lisinopril, Perindopril

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

Where to buy Racecadotril in Hong Kong?

In Hong Kong, Racecadotril 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 Racecadotril 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.