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Flunarizine: uses, side effects & brands
Flunarizine is a daily migraine-prevention medicine. It belongs to the Migraine medicine group. These stop migraine attacks (triptans) or help prevent them.
Drug type — dosing is set by your doctor
| Measure | Range |
|---|---|
| Drug class | Migraine medicine |
| Type | Prescription |
| Dose | Individual — ask your doctor or pharmacist |
What it is used for
- Preventing frequent migraine attacks
- Vertigo from inner-ear (vestibular) problems
- Reducing how severe migraine attacks are
Common brand names
- India: Sibelium, Flunaz, Nomigrain
- Worldwide: Sibelium
Common side effects
- Drowsiness or tiredness
- Increased appetite and weight gain
- Low mood
- Stomach upset
Before taking it — precautions
- Past or current depression — usually avoided
- Parkinson's disease or other movement problems — avoid
- Alcohol and sleeping or calming medicines increase drowsiness; take care driving
When to see a doctor urgently
- Low mood or thoughts of self-harm (urgent)
- Shaking, stiffness or slowed movements
- Rash, swelling of the face or difficulty breathing (urgent)
Not a prescription — no dose shown. The right dose of flunarizine depends on age, weight, kidney/liver function and the condition, so MedDroid does not show a dose here. Always get your dose from a doctor or pharmacist and the leaflet inside the pack. General educational information only.
Frequently asked questions
Will flunarizine stop a migraine attack?
No — it is a daily preventer. Use your separate attack treatment for an attack.
How long before it works?
It may take several weeks to see fewer attacks.
Will I gain weight?
It can increase appetite. Watch diet and tell your doctor if weight gain is a problem.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.