Drug interactions
Amisulpride + Levodopa
Severity: Major
Amisulpride and Levodopa: 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
Amisulpride blocks dopamine receptors and can counteract the effect of levodopa, worsening parkinsonian symptoms. Levodopa may in turn aggravate psychosis and reduce the antipsychotic effect.
What this interaction means in plain words
Amisulpride and Levodopa 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.
Amisulpride belongs to Central Nervous System; Levodopa belongs to Central Nervous System.
Why it happens
Pharmacodynamic antagonism at central D2/D3 dopamine receptors.
What to do
Avoid the combination. In Parkinson's disease psychosis use an antipsychotic with low D2 affinity such as quetiapine or clozapine instead.
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 Amisulpride
- Amiodarone + Amisulpride Contraindicated
- Amisulpride + Arsenic trioxide Contraindicated
- Amisulpride + Disopyramide Contraindicated
- Amisulpride + Dofetilide Contraindicated
- Amisulpride + Droperidol Contraindicated
- Amisulpride + Ibutilide Contraindicated
Other interactions of Levodopa
- Isocarboxazid + Levodopa Contraindicated
- Levodopa + Phenelzine Contraindicated
- Levodopa + Phenelzine (nonselective MAOI) Contraindicated
- Levodopa + Procarbazine Contraindicated
- Levodopa + Tranylcypromine Contraindicated
- Chlorpromazine + Levodopa Major
Frequently asked questions
Can I take Amisulpride with Levodopa?
MediHelp rates the interaction as major. Amisulpride and Levodopa 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. Amisulpride blocks dopamine receptors and can counteract the effect of levodopa, worsening parkinsonian symptoms. Levodopa may in turn aggravate psychosis and reduce the antipsychotic effect.
How serious is the interaction between Amisulpride and Levodopa?
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. In Parkinson's disease psychosis use an antipsychotic with low D2 affinity such as quetiapine or clozapine instead.
What other medicines interact with Amisulpride?
MediHelp also lists interactions of Amisulpride with, for example, Amiodarone, Arsenic trioxide, Disopyramide. The full list is on the Amisulpride page.
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