Drug interactions
Methyldopa + Prochlorperazine
Severity: Moderate
Methyldopa and Prochlorperazine: moderate 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
Phenothiazines and methyldopa can interact, with reports of altered blood pressure effects and increased extrapyramidal or psychiatric adverse effects. The clinical impact varies and is usually manageable.
What this interaction means in plain words
Methyldopa and Prochlorperazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Methyldopa belongs to Cardiovascular; Prochlorperazine belongs to Central Nervous System.
Why it happens
Mechanism is not firmly established; likely additive effects on central dopamine and catecholamine pathways, with additive hypotension from phenothiazine alpha-blockade.
What to do
Monitor blood pressure and for extrapyramidal or mental status changes. Adjust doses of either drug if symptoms develop.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Prochlorperazine
- Dronedarone + Prochlorperazine Contraindicated
- Ibutilide + Prochlorperazine Contraindicated
- Nilotinib + Prochlorperazine Contraindicated
- Pimozide + Prochlorperazine Contraindicated
- Prochlorperazine + Thioridazine Contraindicated
- Amiodarone + Prochlorperazine Major
Other interactions of Methyldopa
- Methyldopa + Tranylcypromine Contraindicated
- Iobenguane i + Methyldopa Major
- Lofexidine + Methyldopa Major
- Methyldopa + Pexidartinib Major
- Methyldopa + Pretomanid Major
- Methyldopa + Thioridazine Major
Frequently asked questions
Can I take Methyldopa with Prochlorperazine?
MediHelp rates the interaction as moderate. Methyldopa and Prochlorperazine can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Phenothiazines and methyldopa can interact, with reports of altered blood pressure effects and increased extrapyramidal or psychiatric adverse effects. The clinical impact varies and is usually manageable.
How serious is the interaction between Methyldopa and Prochlorperazine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and for extrapyramidal or mental status changes. Adjust doses of either drug if symptoms develop.
What other medicines interact with Prochlorperazine?
MediHelp also lists interactions of Prochlorperazine with, for example, Dronedarone, Ibutilide, Nilotinib. The full list is on the Prochlorperazine page.
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