Drug interactions
Amitriptyline + Midazolam intranasal
Severity: Major
Amitriptyline and Midazolam intranasal: major 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
Midazolam is a benzodiazepine, and amitriptyline is also sedating, so concurrent use can deepen sedation and respiratory depression. The risk of airway compromise and hypoventilation is higher in older adults and in patients with respiratory disease.
What this interaction means in plain words
Amitriptyline 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 CNS and respiratory depression through GABA-A potentiation and sedating antihistaminic and anticholinergic effects.
What to do
Use the lowest effective midazolam dose and monitor respiratory rate, oxygen saturation and level of consciousness. Ensure resuscitation equipment is available and reduce the dose in older or frail patients.
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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Other interactions of Amitriptyline
- Amitriptyline + Isocarboxazid Contraindicated
- Amitriptyline + Methylene blue Contraindicated
- Amitriptyline + Phenelzine Contraindicated
- Amitriptyline + Pimozide Contraindicated
- Amitriptyline + Procarbazine Contraindicated
- Amitriptyline + Safinamide Contraindicated
Frequently asked questions
Can I take Amitriptyline with Midazolam intranasal?
MediHelp rates the interaction as major. Amitriptyline 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. Midazolam is a benzodiazepine, and amitriptyline is also sedating, so concurrent use can deepen sedation and respiratory depression. The risk of airway compromise and hypoventilation is higher in older adults and in patients with respiratory disease.
How serious is the interaction between Amitriptyline 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. Ensure resuscitation equipment is available and reduce the dose in older or frail patients.
What other medicines interact with Amitriptyline?
MediHelp also lists interactions of Amitriptyline with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Amitriptyline page.
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