Drug interactions
Epinephrine racemic + Morphine
Severity: Minor
Epinephrine racemic 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
Racemic epinephrine is a sympathomimetic, usually given by inhalation, so systemic exposure is limited. There is no meaningful interaction beyond possible partial opposition of effects on alertness and hemodynamics.
What this interaction means in plain words
Epinephrine racemic 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
Opposing pharmacodynamic effects; no established pharmacokinetic interaction.
What to do
No dose change is generally needed. Monitor heart rate, blood pressure and respiratory status.
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 Epinephrine racemic with Morphine?
MediHelp rates the interaction as minor. Epinephrine racemic 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. Racemic epinephrine is a sympathomimetic, usually given by inhalation, so systemic exposure is limited. There is no meaningful interaction beyond possible partial opposition of effects on alertness and hemodynamics.
How serious is the interaction between Epinephrine racemic 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: No dose change is generally needed. Monitor heart rate, blood pressure and respiratory status.
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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