Medicines & Supplements A to Z > Mebendazole


Last updated on 09/07/2021.

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

GENERIC NAME: Mebendazole




DRUG CLASS: Anthelmintics

SUB CLASS: Benzimidazoles

USED FOR: Parasitic worm infestation

– 100 mg, 500 mg (tablets)

What is Mebendazole for?

Mebendazole belongs to a class of medications called anthelmintics. It is used to treat several types of worm infections, including roundworm, whipworm, pinworm, and hookworm.

How to use it?

Mebendazole is taken by mouth as a tablet, with or without food. Take 100 mg orally once or twice daily for 3 days, depending on the type of infection. You may repeat the treatment in 3 weeks after initial treatment if necessary.

If you have difficulty swallowing, you may mix the tablet with 2-3 mL of drinking water, wait two minutes, and then consume.

What are the side effects of Mebendazole?

Common side effects of Mebendazole include abdominal pain, diarrhoea, angioedema, skin rash, and allergic skin reactions.

Who should not take Mebendazole?

– People allergic to Mebendazole or any component of the formulation.

Pharmacist Tips:

Common dosing schedule:
Mebendazole may be taken with or without food.

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

Some common medications Mebendazole may interact with:
– Anticonvulsants, e.g. Phenobarbital, Phenytoin, Sodium Valproate

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

Where to buy Mebendazole in Hong Kong?

In Hong Kong, Mebendazole 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. Mebendazole capsule is a prescription drug. It can 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 Mebendazole 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.