Drug interactions
Loxapine + Midazolam intranasal
Severity: Major
Loxapine and Midazolam intranasal: major interaction.
Last updated Sources: US FDA label
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
Both drugs depress the central nervous system, and giving them together can deepen sedation and impair breathing. Hypoventilation, airway obstruction, oxygen desaturation or apnea may occur and the sedative effect may be prolonged.
What this interaction means in plain words
Loxapine and Midazolam intranasal can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
Additive pharmacodynamic CNS and respiratory depression from a benzodiazepine and a sedating antipsychotic.
What to do
Use the lowest effective midazolam dose and monitor respiratory rate, oxygen saturation and level of consciousness continuously. Make sure airway support is available and avoid additional CNS depressants.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Loxapine
- Alfentanil + Loxapine Major
- Alprazolam + Loxapine Major
- Amisulpride + Loxapine Major
- Amoxapine + Loxapine Major
- Apomorphine + Loxapine Major
- Belladonna and opium + Loxapine Major
Frequently asked questions
Can I take Loxapine with Midazolam intranasal?
MediHelp rates the interaction as major. Loxapine and Midazolam intranasal can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Both drugs depress the central nervous system, and giving them together can deepen sedation and impair breathing. Hypoventilation, airway obstruction, oxygen desaturation or apnea may occur and the sedative effect may be prolonged.
How serious is the interaction between Loxapine and Midazolam intranasal?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective midazolam dose and monitor respiratory rate, oxygen saturation and level of consciousness continuously. Make sure airway support is available and avoid additional CNS depressants.
What other medicines interact with Loxapine?
MediHelp also lists interactions of Loxapine with, for example, Alfentanil, Alprazolam, Amisulpride. The full list is on the Loxapine page.
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