Betahistol-8 Tablet is a medication used to prevent and treat Ménière's disease, an inner ear disorder causing dizziness, tinnitus, and hearing loss. It is taken whole with water and taken daily, with the doctor determining the appropriate dose and frequency. Common side effects include headache, nausea, indigestion, stomach pain, and bloating. Before use, consult a doctor if you have other health conditions, are pregnant, trying to conceive, or are breastfeeding.