Drug interactions
Cinnarizine + Hawthorn
Severity: Minor
Cinnarizine and Hawthorn: minor interaction.
Last updated
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.
Summary
Hawthorn has vasodilating and mild hypotensive effects, and cinnarizine is a calcium channel blocker and antihistamine that causes drowsiness and can lower blood pressure. Combining them may add to dizziness or hypotension. Evidence is theoretical.
What this interaction means in plain words
Cinnarizine and Hawthorn have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cinnarizine belongs to Respiratory; Hawthorn belongs to Gastrointestinal Tract.
Why it happens
Possible additive vasodilatory and hypotensive effects; not well established.
What to do
Monitor blood pressure and warn patients about dizziness or drowsiness when driving. Reduce the dose if symptomatic hypotension occurs.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Hawthorn
- Amiodarone + Hawthorn Moderate
- Digoxin + Hawthorn Moderate
- Disopyramide + Hawthorn Moderate
- Encainide + Hawthorn Moderate
- Hawthorn + Ibutilide Moderate
- Hawthorn + Procainamide Moderate
Other interactions of Cinnarizine
- Alprazolam + Cinnarizine Moderate
- Amitriptyline + Cinnarizine Moderate
- Amobarbital + Cinnarizine Moderate
- Aripiprazole + Cinnarizine Moderate
- Azelastine-fluticasone + Cinnarizine Moderate
- Azelastine + Cinnarizine Moderate
Frequently asked questions
Can I take Cinnarizine with Hawthorn?
MediHelp rates the interaction as minor. Cinnarizine and Hawthorn have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Hawthorn has vasodilating and mild hypotensive effects, and cinnarizine is a calcium channel blocker and antihistamine that causes drowsiness and can lower blood pressure. Combining them may add to dizziness or hypotension. Evidence is theoretical.
How serious is the interaction between Cinnarizine and Hawthorn?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and warn patients about dizziness or drowsiness when driving. Reduce the dose if symptomatic hypotension occurs.
What other medicines interact with Hawthorn?
MediHelp also lists interactions of Hawthorn with, for example, Amiodarone, Digoxin, Disopyramide. The full list is on the Hawthorn page.
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