Drug interactions
Pseudoephedrine + Sevoflurane
Severity: Minor
Pseudoephedrine and Sevoflurane: 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
Sevoflurane has less catecholamine sensitization than older agents, but sympathomimetics can still raise blood pressure and provoke arrhythmias during anesthesia. The interaction is largely theoretical and of modest magnitude.
What this interaction means in plain words
Pseudoephedrine and Sevoflurane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Pseudoephedrine belongs to Respiratory; Sevoflurane belongs to Central Nervous System.
Why it happens
Additive sympathetic stimulation under anesthesia; the mechanism is not firmly established.
What to do
Inform the anesthesia team of recent pseudoephedrine use. Monitor ECG and blood pressure during surgery.
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 Pseudoephedrine
- Isocarboxazid + Pseudoephedrine Contraindicated
- Phenelzine + Pseudoephedrine Contraindicated
- Pseudoephedrine + Rasagiline Contraindicated
- Pseudoephedrine + Selegiline Contraindicated
- Pseudoephedrine + Selegiline transdermal Contraindicated
- Pseudoephedrine + Tranylcypromine Contraindicated
Other interactions of Sevoflurane
Frequently asked questions
Can I take Pseudoephedrine with Sevoflurane?
MediHelp rates the interaction as minor. Pseudoephedrine and Sevoflurane have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Sevoflurane has less catecholamine sensitization than older agents, but sympathomimetics can still raise blood pressure and provoke arrhythmias during anesthesia. The interaction is largely theoretical and of modest magnitude.
How serious is the interaction between Pseudoephedrine and Sevoflurane?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Inform the anesthesia team of recent pseudoephedrine use. Monitor ECG and blood pressure during surgery.
What other medicines interact with Pseudoephedrine?
MediHelp also lists interactions of Pseudoephedrine with, for example, Isocarboxazid, Phenelzine, Rasagiline. The full list is on the Pseudoephedrine page.
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