Drug reference
betahistine
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Drug class
Respiratory (Anti Histamine)
Mechanism of action
Betahistine has a very strong affinity as an antagonist for histamine H3, which dilates blood vessels in inner ear, relieving Ménière's symptoms.
Common side effects
- Indigestion
- Palpitations
- Headache
- Feeling sick (nausea)
Related conditions
Frequently asked questions
What drug class is betahistine?
betahistine belongs to: Respiratory.
How does betahistine work?
Betahistine has a very strong affinity as an antagonist for histamine H3, which dilates blood vessels in inner ear, relieving Ménière's symptoms.
What are the common side effects of betahistine?
Indigestion, Palpitations, Headache, Feeling sick (nausea)
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