Drug interactions
Doxylamine + Sevoflurane
Severity: Moderate
Doxylamine and Sevoflurane: moderate 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
Doxylamine is a strongly sedating first-generation antihistamine that may add to sevoflurane CNS depression. Emergence may be delayed and drowsiness prolonged.
What this interaction means in plain words
Doxylamine and Sevoflurane can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Doxylamine belongs to Respiratory; Sevoflurane belongs to Central Nervous System.
Why it happens
Additive CNS depression from H1-antihistamine sedation and volatile anesthesia.
What to do
Titrate sevoflurane to depth-of-anesthesia monitoring. Monitor sedation and respiratory status in recovery.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Sevoflurane
Other interactions of Doxylamine
Frequently asked questions
Can I take Doxylamine with Sevoflurane?
MediHelp rates the interaction as moderate. Doxylamine and Sevoflurane can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Doxylamine is a strongly sedating first-generation antihistamine that may add to sevoflurane CNS depression. Emergence may be delayed and drowsiness prolonged.
How serious is the interaction between Doxylamine and Sevoflurane?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Titrate sevoflurane to depth-of-anesthesia monitoring. Monitor sedation and respiratory status in recovery.
What other medicines interact with Sevoflurane?
MediHelp also lists interactions of Sevoflurane with, for example, Amiodarone, Amisulpride, Arsenic trioxide. The full list is on the Sevoflurane page.
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