Drug interactions
Fluvoxamine + Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol
Severity: Moderate
Fluvoxamine and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol: 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 cleansing solutions can cause fluid shifts and electrolyte abnormalities such as hyponatremia. Fluvoxamine can cause SIADH-related hyponatremia, so combining them may increase the risk of hyponatremia and seizures.
What this interaction means in plain words
Fluvoxamine and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol 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 risk of hyponatremia and electrolyte imbalance from the bowel preparation and SSRI-associated SIADH.
What to do
Encourage adequate oral fluid intake and check electrolytes in at-risk patients such as older adults or those on diuretics.
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 / potassium chloride / magnesium sulfate / polyethylene glycol?
MediHelp rates the interaction as moderate. Fluvoxamine and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol 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 cleansing solutions can cause fluid shifts and electrolyte abnormalities such as hyponatremia. Fluvoxamine can cause SIADH-related hyponatremia, so combining them may increase the risk of hyponatremia and seizures.
How serious is the interaction between Fluvoxamine and Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Encourage adequate oral fluid intake and check electrolytes in at-risk patients such as older adults or those on diuretics.
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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