Betahistine is an antivertigo agent exhibiting partial agonism at H1 receptor, antagonism at H3 receptor and relatively low activity at H2 receptor. Therefore, it is used to treat vertigo, tinnitus, hearing loss and nausea.
Betahistine can be taken orally as tablets, with or without food. Taking Betahistine with food may help to reduce gastrointestinal discomfort.
Decreasing episodes of vertigo in Ménière disease patients
Adult and elderly
Betahistine dihydrochloride: (Alfinor, Betaserc) 24-48 mg daily in divided doses.
Betahistine mesilate: (Merislon) 6-12 mg 3 times daily.
Common dosing schedule:
Betahistine is taken in divided doses, usually 3 times daily. For convenience, it is suggested to take with meals, as well as to reduce discomfort in the abdomen.
This schedule is for reference only, adjustments may be made according to individual needs.
Some common medications Betahistine may interact with:
Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.
In Hong Kong, Betahistine is an over-the-counter medicine and can be purchased without a prescription from any retail outlet in Hong Kong. This includes grocery stores, convenience stores, medicine shops, and pharmacies. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.
For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk
Need more information?
For detailed information about the use of Betahistine in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.
Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.
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