Medicines & Supplements A to Z > Epilim


Last updated on 19/10/2021.

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

GENERIC NAME: Sodium valproate


DRUG CLASS: Anticonvulsants

SUB CLASS: Valproic acid

USED FOR: Treatment and prevention of seizures and epilepsy, migraine prevention 

– 200mg, 300mg, 500mg (tablets)
– 100mg (crushable tablets)
– 200mg/5ml (syrup)
– 400mg (injection)

What is Epilim for?

Epilim is a brand product that contains Sodium valproate, which belongs to a class of anticonvulsant. It works by balancing the chemicals in your brain and is used to treat different types of epilepsy and prevent migraine.

How to use it?

Epilim is available as tablets, syrup and injection.

For epilepsy, the usual adult dose starts with 600 mg daily in 1-2 divided doses, then increases in steps of 150-300 mg every 3 days. Maximum dose is 2500 mg daily.

For migraine prevention, the usual adult dose starts with 200 mg twice daily. The maximum dose is 1500 mg daily in divided doses.

What are the side effects of Epilim?

Common side effects of Epilim include nausea and vomiting, hair loss, difficulty concentrating, and memory loss.

Who should not take Epilim?

Pregnant women, breastfeeding or women with childbearing potential
– People who are allergic to sodium valproate, valproic acid, or any component of the formulation
– Patients with hepatic disease or significant impairment
– Patients with urea cycle disorders

Pharmacist Tips:

– Use effective contraception during the treatment if you are a woman with childbearing potential.
– Avoid driving or operating machinery until you know how Epilim affects you.
– Avoid alcohol use while taking this medication.

Common dosing schedule:
Epilim is usually taken once or twice daily, with or after food.

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

Some common medications Epilim may interact with:
– Anticonvulsants, e.g. Phenobarbital, Phenytoin
– Benzodiazepines, e.g. Diazepam, Lorazepam
– Antipsychotics, e.g. Aripiprazole, Olanzapine

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

Where to buy Epilim in Hong Kong?

In Hong Kong, Epilim 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 Epilim 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.