Flunarizine Di-HCl Eq. to Flunarizine 5mg/10mg is a medication primarily used to treat conditions related to neurological and vascular disorders, including migraines, vertigo, and balance disorders. Flunarizine is a calcium channel blocker that works by inhibiting the movement of calcium into cells, which helps in relaxing blood vessels and improving blood flow, particularly to the brain. This action helps prevent or reduce the frequency of migraines and alleviate symptoms of vertigo and dizziness caused by inner ear disorders. It is also used for managing symptoms related to vestibular disorders and motion sickness. The medication is available in both 5mg and 10mg doses, with the appropriate dosage depending on the severity of the condition and individual response.