Drug interactions
Lidocaine + Midazolam intranasal
Severity: Moderate
Lidocaine and Midazolam intranasal: 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
Lidocaine is a weak CYP3A4 inhibitor, so it may slightly increase midazolam exposure. Both drugs can cause CNS depression, so sedation may be deeper or longer than expected.
What this interaction means in plain words
Lidocaine and Midazolam intranasal 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
Weak CYP3A4 inhibition by lidocaine may reduce midazolam clearance, with additive CNS depression.
What to do
Monitor sedation level and respiratory status after intranasal midazolam, especially when systemic lidocaine is given. Allow extra recovery time and reduce midazolam dose if excess sedation occurs.
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 Lidocaine
- Bupivacaine liposome + Lidocaine Major
- Disopyramide + Lidocaine Major
- Ex vivo expanded autologous human corneal epithelial cells containing stem cells + Lidocaine Major
- Lidocaine + Nirmatrelvir / ritonavir Major
- Lidocaine + Ombitasvir / paritaprevir / ritonavir and dasabuvir Major
- Lidocaine + Pimozide Major
Frequently asked questions
Can I take Lidocaine with Midazolam intranasal?
MediHelp rates the interaction as moderate. Lidocaine and Midazolam intranasal 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. Lidocaine is a weak CYP3A4 inhibitor, so it may slightly increase midazolam exposure. Both drugs can cause CNS depression, so sedation may be deeper or longer than expected.
How serious is the interaction between Lidocaine and Midazolam intranasal?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor sedation level and respiratory status after intranasal midazolam, especially when systemic lidocaine is given. Allow extra recovery time and reduce midazolam dose if excess sedation occurs.
What other medicines interact with Lidocaine?
MediHelp also lists interactions of Lidocaine with, for example, Bupivacaine liposome, Disopyramide, Ex vivo expanded autologous human corneal epithelial cells containing stem cells. The full list is on the Lidocaine page.
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