Drug interactions
Desflurane + Loperamide
Severity: Moderate
Desflurane and Loperamide: 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
Desflurane can prolong the QT interval and loperamide may do so at high doses, so the combination may add to arrhythmia risk. The clinical relevance is mostly in patients with other QT risk factors.
What this interaction means in plain words
Desflurane and Loperamide 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.
Desflurane belongs to Central Nervous System; Loperamide belongs to Gastrointestinal Tract.
Why it happens
Additive QT prolongation.
What to do
Avoid supratherapeutic loperamide before anesthesia and correct electrolytes. Monitor ECG perioperatively in high-risk patients.
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 Loperamide
Other interactions of Desflurane
Frequently asked questions
Can I take Desflurane with Loperamide?
MediHelp rates the interaction as moderate. Desflurane and Loperamide 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. Desflurane can prolong the QT interval and loperamide may do so at high doses, so the combination may add to arrhythmia risk. The clinical relevance is mostly in patients with other QT risk factors.
How serious is the interaction between Desflurane and Loperamide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid supratherapeutic loperamide before anesthesia and correct electrolytes. Monitor ECG perioperatively in high-risk patients.
What other medicines interact with Loperamide?
MediHelp also lists interactions of Loperamide with, for example, Amiodarone, Amisulpride, Anagrelide. The full list is on the Loperamide page.
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