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Could Flunarizine help prevent migraines or vertigo?

Flunarizine is a non-selective calcium channel blocker with antihistaminic properties. It reduces neuronal excitability by limiting calcium influx and stabilizing cellular membranes in the central nervous system. The drug is prescribed to prevent migraine attacks and to manage certain vestibular disorders under medical supervision.

What conditions it treats

The primary indication is migraine prophylaxis. Many patients experience fewer attacks and less disabling symptoms when the drug is used consistently over weeks. It is also employed for vertigo and other vestibular symptoms that accompany balance disorders.

In some cases, Ménière’s disease or chronic dizziness may respond to Flunarizine. Effectiveness varies among individuals, and clinicians consider comorbidities and other medications before beginning therapy. It is not a treatment for acute episodes and should be used as part of a broader management plan.

Practical usage guide — timing, food, missed doses, storage

Administration is usually once daily, taken at night to minimize daytime drowsiness. Tablets are swallowed with a glass of water and may be taken with or without food, depending on tolerability. Do not crush or break the tablet unless a clinician instructs otherwise.

If a dose is missed, take it as soon as remembered unless the next dose is soon due. If the next dose is imminent, skip the missed dose and resume the regular schedule. Do not double up to make up for a forgotten dose. Limit or avoid alcohol, as it can enhance sedation and dizziness.

Store the medicine at room temperature, away from heat and moisture. Keep it in its original container, tightly closed, and out of reach of children. Check the expiry date and discard any tablets that are damaged or no longer usable. Do not transfer the medicine to another container without medical advice.

What to watch for — side effects in plain language

The most common effects are drowsiness, fatigue, and weight gain. Some people also notice dry mouth, constipation, or a feeling of slowed thinking. These symptoms are usually mild and often improve with time or dose adjustments.

Less commonly, Flunarizine can cause movement-related symptoms such as tremor, stiffness, or slowed movements. Mood changes, including depression or anxiety, may occur in some patients. Seek medical advice if these effects persist, worsen, or if you notice signs of severe allergy or skin reactions.

When to consult a doctor

Discuss any persistent or troublesome side effects with your clinician. Contact a doctor promptly if you develop signs of a movement disorder, severe mood change, jaundice, or an allergic reaction. Do not stop therapy suddenly without professional guidance, as symptoms may return or worsen.

Inform all healthcare providers about current medicines and conditions before starting Flunarizine. Pregnancy and breastfeeding require medical review. If you have liver disease, a history of depression, or other chronic illnesses, seek tailored advice to assess risks and benefits.