Drug interactions
Isoflurane + Xylometazoline
Severity: Minor
Isoflurane and Xylometazoline: 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
Isoflurane sensitizes the myocardium to catecholamines, and a vasoconstrictor could contribute to hypertension or arrhythmia during anesthesia. With intranasal xylometazoline systemic exposure is small, so the risk is mostly theoretical.
What this interaction means in plain words
Isoflurane and Xylometazoline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Isoflurane belongs to Central Nervous System; Xylometazoline belongs to Respiratory.
Why it happens
Anesthetic sensitization of the myocardium to adrenergic stimulation; the mechanism is not firmly established.
What to do
Inform the anesthesia team of recent xylometazoline 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 Xylometazoline
- Selegiline + Xylometazoline Contraindicated
- Ergotamine + Xylometazoline Major
- Isocarboxazid + Xylometazoline Major
- Phenelzine + Xylometazoline Major
- Tranylcypromine + Xylometazoline Major
- Amitriptyline + Xylometazoline Moderate
Other interactions of Isoflurane
Frequently asked questions
Can I take Isoflurane with Xylometazoline?
MediHelp rates the interaction as minor. Isoflurane and Xylometazoline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Isoflurane sensitizes the myocardium to catecholamines, and a vasoconstrictor could contribute to hypertension or arrhythmia during anesthesia. With intranasal xylometazoline systemic exposure is small, so the risk is mostly theoretical.
How serious is the interaction between Isoflurane and Xylometazoline?
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 xylometazoline use. Monitor ECG and blood pressure during surgery.
What other medicines interact with Xylometazoline?
MediHelp also lists interactions of Xylometazoline with, for example, Selegiline, Ergotamine, Isocarboxazid. The full list is on the Xylometazoline page.
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