Drug interactions
Paroxetine + Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol
Severity: Moderate
Paroxetine 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
Paroxetine can cause SIADH-related hyponatremia, and bowel preparations cause fluid and electrolyte shifts. Together they may increase the risk of hyponatremia and water retention, especially in older patients.
What this interaction means in plain words
Paroxetine 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
SSRI-associated SIADH combined with bowel-prep fluid and electrolyte shifts.
What to do
Encourage balanced fluid intake with electrolyte-containing fluids and check sodium in older or symptomatic patients. Seek review for confusion, nausea or seizures.
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 Paroxetine
- Isocarboxazid + Paroxetine Contraindicated
- Methylene blue + Paroxetine Contraindicated
- Paroxetine + Phenelzine Contraindicated
- Paroxetine + Pimozide Contraindicated
- Paroxetine + Procarbazine Contraindicated
- Paroxetine + Selegiline Contraindicated
Frequently asked questions
Can I take Paroxetine with Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol?
MediHelp rates the interaction as moderate. Paroxetine 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. Paroxetine can cause SIADH-related hyponatremia, and bowel preparations cause fluid and electrolyte shifts. Together they may increase the risk of hyponatremia and water retention, especially in older patients.
How serious is the interaction between Paroxetine 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 balanced fluid intake with electrolyte-containing fluids and check sodium in older or symptomatic patients. Seek review for confusion, nausea or seizures.
What other medicines interact with Paroxetine?
MediHelp also lists interactions of Paroxetine with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Paroxetine page.
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