Drug interactions
Levodopa + Linezolid
Severity: Major
Levodopa 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
Levodopa is converted to dopamine and norepinephrine, and linezolid's MAO inhibition can reduce their breakdown, risking hypertensive episodes. Non-selective MAO inhibition with levodopa is a recognized cause of hypertensive reactions.
What this interaction means in plain words
Levodopa 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.
Levodopa belongs to Central Nervous System; Linezolid belongs to Anti Bacterial.
Why it happens
Reduced catabolism of dopamine and norepinephrine formed from levodopa because of MAO inhibition by linezolid.
What to do
Avoid the combination if possible and use a different antibiotic in patients on levodopa. If linezolid is needed, monitor blood pressure frequently and watch for signs of excess dopaminergic or serotonergic effects.
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 Levodopa
- Isocarboxazid + Levodopa Contraindicated
- Levodopa + Phenelzine Contraindicated
- Levodopa + Phenelzine (nonselective MAOI) Contraindicated
- Levodopa + Procarbazine Contraindicated
- Levodopa + Tranylcypromine Contraindicated
- Amisulpride + Levodopa Major
Frequently asked questions
Can I take Levodopa with Linezolid?
MediHelp rates the interaction as major. Levodopa 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. Levodopa is converted to dopamine and norepinephrine, and linezolid's MAO inhibition can reduce their breakdown, risking hypertensive episodes. Non-selective MAO inhibition with levodopa is a recognized cause of hypertensive reactions.
How serious is the interaction between Levodopa 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 if possible and use a different antibiotic in patients on levodopa. If linezolid is needed, monitor blood pressure frequently and watch for signs of excess dopaminergic or serotonergic effects.
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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