Drug interactions
Nimodipine + Sodium sulfate / ?magnesium sulfate / potassium chloride
Severity: Moderate
Nimodipine and Sodium sulfate / ?magnesium sulfate / potassium chloride: 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
Magnesium has calcium-antagonist properties and can add to the vasodilating and neuromuscular effects of calcium channel blockers. Absorbed magnesium, especially with renal impairment, may lead to hypotension or muscle weakness.
What this interaction means in plain words
Nimodipine and Sodium sulfate / ?magnesium sulfate / potassium chloride 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.
Why it happens
Additive pharmacodynamic calcium antagonism and vasodilation from magnesium plus nimodipine.
What to do
Monitor blood pressure and serum magnesium, particularly in renal impairment, and watch for neuromuscular weakness; adjust bowel-prep or magnesium dosing 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 Nimodipine
- Apalutamide + Nimodipine Major
- Carbamazepine + Nimodipine Major
- Ceritinib + Nimodipine Major
- Clarithromycin + Nimodipine Major
- Cobicistat + Nimodipine Major
- Darunavir + Nimodipine Major
Frequently asked questions
Can I take Nimodipine with Sodium sulfate / ?magnesium sulfate / potassium chloride?
MediHelp rates the interaction as moderate. Nimodipine and Sodium sulfate / ?magnesium sulfate / potassium chloride 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. Magnesium has calcium-antagonist properties and can add to the vasodilating and neuromuscular effects of calcium channel blockers. Absorbed magnesium, especially with renal impairment, may lead to hypotension or muscle weakness.
How serious is the interaction between Nimodipine and Sodium sulfate / ?magnesium sulfate / potassium chloride?
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 serum magnesium, particularly in renal impairment, and watch for neuromuscular weakness; adjust bowel-prep or magnesium dosing if symptoms develop.
What other medicines interact with Nimodipine?
MediHelp also lists interactions of Nimodipine with, for example, Apalutamide, Carbamazepine, Ceritinib. The full list is on the Nimodipine page.
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