Drug interactions
Fluvoxamine + Sodium sulfate / ?magnesium sulfate / potassium chloride
Severity: Moderate
Fluvoxamine 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
Bowel preparations can cause fluid and electrolyte shifts, and antidepressants such as fluvoxamine may lower the seizure threshold. Together there is a theoretical increased risk of seizures, particularly if hyponatremia or dehydration develops.
What this interaction means in plain words
Fluvoxamine 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
Electrolyte and fluid disturbance from the bowel preparation combined with the seizure-threshold lowering effect of fluvoxamine.
What to do
Ensure adequate hydration and monitor for electrolyte disturbance, especially in patients with a seizure history or hyponatremia risk.
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 Fluvoxamine
- Agomelatine + Fluvoxamine Contraindicated
- Alosetron + Fluvoxamine Contraindicated
- Fezolinetant + Fluvoxamine Contraindicated
- Fluvoxamine + Isocarboxazid Contraindicated
- Fluvoxamine + Mavacamten Contraindicated
- Fluvoxamine + Methylene blue Contraindicated
Frequently asked questions
Can I take Fluvoxamine with Sodium sulfate / ?magnesium sulfate / potassium chloride?
MediHelp rates the interaction as moderate. Fluvoxamine 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. Bowel preparations can cause fluid and electrolyte shifts, and antidepressants such as fluvoxamine may lower the seizure threshold. Together there is a theoretical increased risk of seizures, particularly if hyponatremia or dehydration develops.
How serious is the interaction between Fluvoxamine 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: Ensure adequate hydration and monitor for electrolyte disturbance, especially in patients with a seizure history or hyponatremia risk.
What other medicines interact with Fluvoxamine?
MediHelp also lists interactions of Fluvoxamine with, for example, Agomelatine, Alosetron, Fezolinetant. The full list is on the Fluvoxamine page.
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