Drug interactions
Levodopa inhaled + Linezolid
Severity: Major
Levodopa inhaled 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 weakly inhibits MAO, which can reduce breakdown of dopamine formed from levodopa. This may lead to hypertensive reactions or other pressor effects. Non-selective MAO inhibitors are contraindicated with levodopa, and linezolid carries similar caution.
What this interaction means in plain words
Levodopa inhaled 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.
Why it happens
Reduced catecholamine metabolism through MAO inhibition by linezolid, increasing dopamine and norepinephrine levels.
What to do
Avoid the combination where possible, and consider an alternative antibiotic. If unavoidable, monitor blood pressure and heart rate closely.
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
Frequently asked questions
Can I take Levodopa inhaled with Linezolid?
MediHelp rates the interaction as major. Levodopa inhaled 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 weakly inhibits MAO, which can reduce breakdown of dopamine formed from levodopa. This may lead to hypertensive reactions or other pressor effects. Non-selective MAO inhibitors are contraindicated with levodopa, and linezolid carries similar caution.
How serious is the interaction between Levodopa inhaled 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 the combination where possible, and consider an alternative antibiotic. If unavoidable, monitor blood pressure and heart rate closely.
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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