Drug interactions
Midazolam intranasal + Nicardipine
Severity: Moderate
Midazolam intranasal and Nicardipine: 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
Nicardipine is a mild to moderate CYP3A4 inhibitor and may increase midazolam exposure, prolonging sedation. Midazolam also causes CNS and respiratory depression, so even a modest increase matters, particularly in older or frail patients.
What this interaction means in plain words
Midazolam intranasal and Nicardipine 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.
Why it happens
Nicardipine inhibits CYP3A4-mediated midazolam metabolism, raising systemic midazolam concentrations.
What to do
Observe the patient for prolonged sedation and respiratory depression after midazolam dosing. Avoid repeat doses until the sedation has cleared, and ensure monitoring is available.
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 Nicardipine
Frequently asked questions
Can I take Midazolam intranasal with Nicardipine?
MediHelp rates the interaction as moderate. Midazolam intranasal and Nicardipine 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. Nicardipine is a mild to moderate CYP3A4 inhibitor and may increase midazolam exposure, prolonging sedation. Midazolam also causes CNS and respiratory depression, so even a modest increase matters, particularly in older or frail patients.
How serious is the interaction between Midazolam intranasal and Nicardipine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Observe the patient for prolonged sedation and respiratory depression after midazolam dosing. Avoid repeat doses until the sedation has cleared, and ensure monitoring is available.
What other medicines interact with Nicardipine?
MediHelp also lists interactions of Nicardipine with, for example, Amifostine, Amlodipine-olmesartan-hydrochlorothiazide, Betrixaban. The full list is on the Nicardipine page.
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