Drug interactions
Metoclopramide + Rivastigmine
Severity: Major
Metoclopramide and Rivastigmine: 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
Rivastigmine, a cholinesterase inhibitor, may increase the risk of extrapyramidal symptoms when given with metoclopramide. Cholinesterase inhibitors can also worsen parkinsonism, and metoclopramide's dopamine blockade adds to this. Neuroleptic malignant syndrome is a rare concern.
What this interaction means in plain words
Metoclopramide and Rivastigmine 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.
Metoclopramide belongs to Gastrointestinal Tract; Rivastigmine belongs to Central Nervous System.
Why it happens
Metoclopramide blocks central D2 receptors while rivastigmine increases cholinergic tone, and the two together promote extrapyramidal effects; cholinergic effects on gut motility may also be additive.
What to do
Avoid the combination where possible, especially in patients with Parkinson disease or dementia. If needed, use the lowest metoclopramide dose briefly and monitor for tremor, rigidity and dystonia.
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 Metoclopramide
Other interactions of Rivastigmine
Frequently asked questions
Can I take Metoclopramide with Rivastigmine?
MediHelp rates the interaction as major. Metoclopramide and Rivastigmine 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. Rivastigmine, a cholinesterase inhibitor, may increase the risk of extrapyramidal symptoms when given with metoclopramide. Cholinesterase inhibitors can also worsen parkinsonism, and metoclopramide's dopamine blockade adds to this. Neuroleptic malignant syndrome is a rare concern.
How serious is the interaction between Metoclopramide and Rivastigmine?
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, especially in patients with Parkinson disease or dementia. If needed, use the lowest metoclopramide dose briefly and monitor for tremor, rigidity and dystonia.
What other medicines interact with Metoclopramide?
MediHelp also lists interactions of Metoclopramide with, for example, Amantadine, Amoxapine, Antipsychotics (e.g., haloperidol). The full list is on the Metoclopramide page.
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