Skip to content

Flunarizine

Flunarizine is a calcium channel blocker primarily used in Migraine Prophylaxis. It works by moderating cellular ion exchange to stabilize nerve cells. As this ingredient is an established component of the Neurology field, it is presented as a single tablet formulation to support long-term management.

Sibelium

Migraine Prophylaxis

5 · 10mg

Flunarizine 5mg and 10mg tablets, used for migraine prophylaxis. A calcium channel blocker taken between attacks rather than during one.

From$0.60/ tabletView

Key points

  • Reduces how often and how severely migraines occur, rather than stopping an attack once it has started.
  • Also used for chronic vertigo by helping stabilise the vestibular system responsible for balance.
  • A history of depression or a movement disorder needs discussion beforehand, since prolonged use may affect mood or motor control.

What is Flunarizine?

Flunarizine acts as a selective calcium channel blocker. It prevents excessive calcium influx into various cells, including vascular smooth muscle cells and neurons. Practitioners often consider this option for patients prone to recurrent or severe neurological episodes.

This ingredient focuses on steady, long-term management. Because it operates on cellular mechanisms, it is formulated in tablets that provide consistent, reliable dosing to maintain stable levels in the body.

What Flunarizine is used for

Primary applications focus on the prevention of migraine attacks. Flunarizine acts to decrease the frequency and intensity of clinical episodes rather than stopping an active attack once it has started.

Medical providers may also recommend its use for chronic vertigo or dizziness. By affecting the stability of the vestibular system, it can reduce the symptoms associated with balance dysfunction.

How does Flunarizine work?

Flunarizine modulates ion channels in cell membranes. By limiting the movement of calcium across these membranes, it prevents constriction of blood vessels and stabilizes hyper-excitable nerve cells. This stabilization reduces the likelihood of neurovascular triggers that lead to migraine pain or dizziness.

Flunarizine brands and forms

Available products for this ingredient include Sibelium. This medication comes as a simple Tablet, a format chosen for consistent release and ease of swallowing. Having a reliable dosage form is preferred for long-term health, allowing for stable blood levels. Generics and original brands often share identical active components, ensuring consistent results.

Safety overview for Flunarizine

What to check before using this medicine

Evaluate your current health status, including any history of depression or movement disorders. Those with pre-existing conditions that affect mood or motor control should discuss these concerns with a provider, as long-term use can sometimes influence these systems.

Possible reactions and tolerability

Common responses can include mild drowsiness or an increase in appetite. Weight gain is a documented effect for some, which is often managed by maintaining a balanced diet. Individuals might also experience feelings of fatigue, particularly during the initial phase of treatment.

Interactions and health factors

Flunarizine may interact with other central nervous system-acting medications. Combining this with alcohol or other sedatives can intensify drowsiness. Product labelling and verified clinical sources remain the correct references for specific contraindications, interactions and reactions.

Further reading

What is flunarizine used for?

Flunarizine is used mainly to prevent migraine attacks, reducing how often and how severely they occur rather than stopping an attack once it has started. It may also be recommended for chronic vertigo or dizziness.

How does flunarizine work?

Flunarizine is a calcium channel blocker that limits the movement of calcium across cell membranes. This prevents constriction of blood vessels and stabilises hyper-excitable nerve cells, reducing the likelihood of the neurovascular triggers that lead to migraine pain or dizziness.

How long does flunarizine take to work?

Flunarizine is taken for steady, long-term management, and its effects build up over time. Allow 4 to 8 weeks before judging how well it is working.

What are the side effects of flunarizine?

Common responses include fatigue, drowsiness and weight gain. Insomnia and depression are also possible, while extrapyramidal symptoms are serious and need immediate medical attention. Speak to a doctor or pharmacist if you notice any of these.

Can flunarizine be taken with alcohol?

Combining flunarizine with alcohol or other sedatives can intensify drowsiness, so it is best to discuss this with a doctor or pharmacist.

Who should not take flunarizine?

Flunarizine should not be used by anyone with a hypersensitivity to flunarizine, a history of depression or parkinsonian symptoms. A doctor or pharmacist can advise if you are unsure.

In which products can I find flunarizine?

Products containing flunarizine include Sibelium. Compare forms, strengths and packs in the listings above.

Can I buy flunarizine over the counter in Thailand?

Yes. In Thailand flunarizine is sold by pharmacists without a prescription, and Yasabai does not ask for one either. We are an online store, not a dispensing pharmacy; we arrange your order and delivery on your behalf.

Ordering without a prescription →

Can I order flunarizine online in Thailand?

Yes. Our pharmacy partners ship from India to Thailand and across Asia in discreet packaging. Standard Airmail takes up to 3 weeks; Express Tracked Courier takes up to 1 week.

How ordering works →