Package Leaflet: Information for the User
SIBELIUM 5 mg tablets
Flunarizine
Read this package leaflet carefully before you start taking this medicine because it contains important information for you.
Contents of the package leaflet
Sibelium contains flunarizine and belongs to a group of medicines called calcium channel blockers. It acts as a selective blocker of calcium entry into the cell.
It is indicated for the prevention of migraine and to relieve the symptoms of vestibular vertigo (when it is due to alterations of the vestibular system of the ear) in adults.
Do not take Sibelium:
Warnings and precautions
Talk to your doctor or pharmacist before you start taking Sibelium.
Other medicines and Sibelium
Tell your doctor or pharmacist if you are using, have recently used, or might use any other medicines, including those bought without a prescription.
If you are taking Sibelium, alcohol, hypnotics, and tranquilizers may cause you to become drowsy and sleepy more quickly. You should limit your alcohol intake and only take hypnotics and tranquilizers if your doctor prescribes them.
Taking Sibelium with food, drinks, and alcohol
If you take Sibelium with alcohol, you may become drowsy and sleepy more quickly.
You should limit the amount of alcohol you drink.
Pregnancy and breastfeeding
Talk to your doctor or pharmacist before using any medicine.
There are no data on the use of flunarizine in pregnant women. As a precautionary measure, it is preferable to avoid the use of flunarizine during pregnancy.
It is not known whether Sibelium passes into breast milk.
You should not continue breastfeeding if you take Sibelium. Consult your doctor.
Driving and using machines
At the beginning of treatment, Sibelium may cause drowsiness, so you should be especially careful when driving or using machinery.
Sibelium contains lactose
This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.
Follow the administration instructions of this medicine exactly as indicated by your doctor. If in doubt, consult your doctor or pharmacist again. Your doctor will tell you how long you need to take Sibelium.
Swallow the tablets with a little water.
Never take more tablets than you need.
Recommended dose for migraine and vertigo prophylaxis:
You will probably experience some benefits within the first month, but you may need another month before you feel the full effect of the medicine.
The dose will be as described below:
Your doctor will assess the effectiveness of the treatment with Sibelium and decide whether to maintain it. Treatment with Sibelium should not last more than 6 months. If you interrupt it but your symptoms reappear, you should consult your doctor, who will decide whether you should start treatment with Sibelium again.
Contact your doctor if you have taken too much Sibelium. You may experience sedation, fatigue, movement or coordination disorders, or, with very high amounts, agitation or tachycardia.
In case of overdose or accidental ingestion, consult the Toxicology Information Service.
Phone (91) 562 04 20 indicating the medicine and the amount ingested.
Like all medicines, Sibelium can cause side effects, although not everybody gets them.
The frequency of the possible side effects listed below is defined using the following convention:
Very common: may affect more than 1 in 10 people
Common: may affect up to 1 in 10 people
Uncommon: may affect up to 1 in 100 people
Rare: may affect up to 1 in 1,000 people
Very rare: may affect up to 1 in 10,000 people
Frequency not known (cannot be estimated from the available data)
Very commonside effects may include:
Commonside effects may include:
Uncommonside effects may include:
Side effects of unknown frequencymay include:
If you think any of the side effects you are experiencing is serious or if you notice any side effect not mentioned in this package leaflet, tell your doctor or pharmacist.
Reporting of side effects:
If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this package leaflet. You can also report them directly through the Spanish Pharmacovigilance System for Human Use Medicines: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not store above 25°C.
Do not use Sibelium after the expiry date stated on the packaging after EXP. The expiry date is the last day of the month indicated.
Do not use this medicine if you notice signs of deterioration.
Medicines should not be disposed of via wastewater or household waste. Place the packaging and any unused medicine in the SIGRE collection point at your pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicine. This will help protect the environment.
Composition of Sibelium
Appearance of the product and pack contents
Sibelium are white, circular, flat, beveled tablets with the Sibelium anagram on one face.
They come in blister packs. Packs of 30 and 60 tablets.
Marketing authorization holder and manufacturer
Marketing authorization holder:
Esteve Pharmaceuticals, S.A.
Passeig de la Zona Franca, 109
08038 Barcelona
Manufacturer:
TOWA Pharmaceutical Europe, S.L.
c/ de San Martí, 75-97
08107 Martorelles (Barcelona)
Other sources of information:
Detailed and updated information on this medicine is available on the website of the Spanish Agency for Medicines and Health Products (AEMPS)http://www.aemps.gob.es/
The average price of SIBELIUM 5 mg TABLETS in October, 2025 is around 3.61 EUR. Prices may vary depending on the region, pharmacy, and whether a prescription is required. Always check with a local pharmacy or online source for the most accurate information.