Betaserc 8 mg tablets contain Betahistine 8 mg which is used in vertigo and Meniere's disease. It helps to reduce the episodes of vertigo associated with Meniere's disease. It is a histamine analog. It works by improving blood flow in the inner ear which reduces the pressure of excess fluid in the inner ear. Excess fluid can send signals to the brain causing nausea, dizziness or spinning sensations. Betaserc 8 mg Tablet additionally dampens down the nerve signals sent from the inner ear to the brain.