> Western Medicines > Flunarizine


Used for: Vertigo, Migraine
Chinese name:

What is Flunarizine for?

Flunarizine belongs to a class of medication called calcium channel blockers. It is used to relieve symptoms of migraine and vertigo.

How to use it?

Flunarizine can be taken by mouth, with or without food. Taking Flunarizine with food may help to reduce gastrointestinal discomfort. For prevention of migraine, vertigo and vestibular disorders, adults may take 10 mg daily in the evening, while elderly (over 65 years) may take 5 mg daily in the evening.

What are the side effects of Flunarizine?

Common side effects of Flunarizine include drowsiness and dizziness, constipation, insomnia, stomach pain, and gastrointestinal discomfort.

Who should not take Flunarizine?

  • People who are allergic to Flunarizine or any component of the formulation.
  • People with a history of depression, Parkinson’s disease, and/or other extrapyramidal disorders.

Pharmacist Tips:

  • This medication can make you dizzy. Avoid driving or operating machinery until you know how you respond to Flunarizine.
  • Avoid alcohol while taking this medication.

Common dosing schedule:
Flunarizine should be taken in the evening.


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


Some common medications Flunarizine may interact with:
Flunarizine may interact with other sedating medications, such as,

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

Where to buy Flunarizine in Hong Kong?

In Hong Kong, Flunarizine 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 Flunarizine 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
  • 5mg / 10mg (Capsules)
  • 5mg (Tablets)
Drug class
Antimigraine Agents
Sub class
Calcium Channel Blockers
Other drugs in same class
Used for: Spinal cord injury, Diabetic peripheral neuropathy, Fibromyalgia, Generalised anxiety disorder, Postherpetic neuralgia, Neuropathic pain, Partial seizure
Chinese name:
Used for: Angina, High blood pressure
Chinese name:
Chinese name:
Used for: High blood pressure, Prevention of angina
Chinese name:
Used for: High blood pressure, Prevention of angina
Chinese name:
Used for: Supraventricular arrhythmia, High blood pressure, Atrial fibrillation, Prevention and treatment of angina
Chinese name: