About betahistine dihydrochloride
Histamine analogue; antivertigo medicine
Used for
- Ménière’s disease symptoms, including vertigo, ringing in the ears, and hearing changes
Usual adult dose
Usually 16 mg three times daily, taken with meals; dose may be adjusted by a clinician.
Common side effects
- Headache
- Nausea or indigestion
- Bloating or stomach discomfort
Important warnings
- Use cautiously with asthma or a history of stomach ulcers.
- Avoid with pheochromocytoma, a rare adrenal gland tumour.
- May take several weeks to improve symptoms.
Pregnancy
Safety is uncertain; use during pregnancy only if a clinician considers it necessary.
Breastfeeding
It is unknown whether betahistine passes into breast milk; use caution.
Interactions
- Antihistamines may reduce betahistine’s effect.
- Monoamine oxidase inhibitors, including selegiline, may increase betahistine exposure.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.