Drug interactions
Imipramine + Linezolid
Severity: Major
Imipramine and Linezolid: 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
Linezolid may cause serotonin syndrome when given with imipramine. The reaction can include neuromuscular excitation, autonomic instability and altered mental status.
What this interaction means in plain words
Imipramine and Linezolid 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.
Imipramine belongs to Central Nervous System; Linezolid belongs to Anti Bacterial.
Why it happens
MAO inhibition combined with serotonin and norepinephrine reuptake inhibition increases monoamine levels.
What to do
Avoid if an alternative antibiotic is suitable. If linezolid is necessary, discontinue imipramine and monitor for serotonin toxicity.
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 Linezolid
- Amoxapine + Linezolid Contraindicated
- Atomoxetine + Linezolid Contraindicated
- Benzphetamine + Linezolid Contraindicated
- Brimonidine + Linezolid Contraindicated
- Bupropion-naltrexone + Linezolid Contraindicated
- Bupropion + Linezolid Contraindicated
Other interactions of Imipramine
- Dronedarone + Imipramine Contraindicated
- Imipramine + Isocarboxazid Contraindicated
- Imipramine + Phenelzine Contraindicated
- Imipramine + Pimozide Contraindicated
- Imipramine + Rasagiline Contraindicated
- Imipramine + Safinamide Contraindicated
Frequently asked questions
Can I take Imipramine with Linezolid?
MediHelp rates the interaction as major. Imipramine and Linezolid 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. Linezolid may cause serotonin syndrome when given with imipramine. The reaction can include neuromuscular excitation, autonomic instability and altered mental status.
How serious is the interaction between Imipramine and Linezolid?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if an alternative antibiotic is suitable. If linezolid is necessary, discontinue imipramine and monitor for serotonin toxicity.
What other medicines interact with Linezolid?
MediHelp also lists interactions of Linezolid with, for example, Amoxapine, Atomoxetine, Benzphetamine. The full list is on the Linezolid page.
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