Drug interactions
Morphine + Salbutamol
Severity: Minor
Morphine and Salbutamol: 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
There is no established clinically important interaction. Morphine causes sedation and respiratory depression, which are not meaningfully offset by salbutamol, and morphine-related histamine release can occasionally trigger bronchospasm in asthmatic patients.
What this interaction means in plain words
Morphine and Salbutamol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Morphine belongs to Musculoskeletal; Salbutamol belongs to Respiratory.
Why it happens
No established pharmacokinetic or pharmacodynamic interaction between these agents.
What to do
Monitor respiratory status and sedation during morphine therapy in patients with asthma or COPD. No dose change is required for salbutamol.
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 Salbutamol
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 Morphine with Salbutamol?
MediHelp rates the interaction as minor. Morphine and Salbutamol have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. There is no established clinically important interaction. Morphine causes sedation and respiratory depression, which are not meaningfully offset by salbutamol, and morphine-related histamine release can occasionally trigger bronchospasm in asthmatic patients.
How serious is the interaction between Morphine and Salbutamol?
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 respiratory status and sedation during morphine therapy in patients with asthma or COPD. No dose change is required for salbutamol.
What other medicines interact with Salbutamol?
MediHelp also lists interactions of Salbutamol with, for example, Arsenic trioxide, Carvedilol, Droperidol. The full list is on the Salbutamol page.
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