Drug interactions
Eucalyptus + Hydroxyzine
Severity: Minor
Eucalyptus and Hydroxyzine: 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
The additive sedation suggested for this pair is largely theoretical. Eucalyptus oil taken orally in significant amounts can cause CNS effects, which could add to hydroxyzine drowsiness.
What this interaction means in plain words
Eucalyptus and Hydroxyzine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible additive CNS depression; the mechanism is not well established.
What to do
Counsel patients to avoid ingesting eucalyptus oil and to monitor for excess drowsiness. No routine dose change is needed.
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 Hydroxyzine
- Droperidol + Hydroxyzine Contraindicated
- Hydroxyzine + Pimozide Contraindicated
- Hydroxyzine + Thioridazine Contraindicated
- Hydroxyzine + Vandetanib Contraindicated
- Alfentanil + Hydroxyzine Major
- Amiodarone + Hydroxyzine Major
Frequently asked questions
Can I take Eucalyptus with Hydroxyzine?
MediHelp rates the interaction as minor. Eucalyptus and Hydroxyzine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. The additive sedation suggested for this pair is largely theoretical. Eucalyptus oil taken orally in significant amounts can cause CNS effects, which could add to hydroxyzine drowsiness.
How serious is the interaction between Eucalyptus and Hydroxyzine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients to avoid ingesting eucalyptus oil and to monitor for excess drowsiness. No routine dose change is needed.
What other medicines interact with Hydroxyzine?
MediHelp also lists interactions of Hydroxyzine with, for example, Droperidol, Pimozide, Thioridazine. The full list is on the Hydroxyzine page.
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