Drug interactions
Eucalyptus + Morphine
Severity: Minor
Eucalyptus and Morphine: 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
Eucalyptus taken orally in significant amounts may have mild CNS effects, and a small additive sedative effect with morphine is theoretically possible. Clinical relevance is unproven and likely small at usual exposures.
What this interaction means in plain words
Eucalyptus and Morphine 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 theoretical and not well established.
What to do
Counsel the patient to report excess drowsiness if using oral eucalyptus products with morphine. No dose change is needed routinely.
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 Morphine
- Alvimopan + Morphine Contraindicated
- Isocarboxazid + Morphine Contraindicated
- Morphine + Olanzapine / samidorphan Contraindicated
- Morphine + Phenelzine Contraindicated
- Morphine + Tranylcypromine Contraindicated
- Alfentanil + Morphine Major
Frequently asked questions
Can I take Eucalyptus with Morphine?
MediHelp rates the interaction as minor. Eucalyptus and Morphine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Eucalyptus taken orally in significant amounts may have mild CNS effects, and a small additive sedative effect with morphine is theoretically possible. Clinical relevance is unproven and likely small at usual exposures.
How serious is the interaction between Eucalyptus and Morphine?
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 the patient to report excess drowsiness if using oral eucalyptus products with morphine. No dose change is needed routinely.
What other medicines interact with Morphine?
MediHelp also lists interactions of Morphine with, for example, Alvimopan, Isocarboxazid, Olanzapine / samidorphan. The full list is on the Morphine page.
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