Drug interactions
Dichlorphenamide + Fluoxetine
Severity: Minor
Dichlorphenamide and Fluoxetine: minor 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
Dichlorphenamide commonly causes hypokalemia through renal potassium loss, and fluoxetine on its own has little direct effect on potassium. The legacy claim of additive potassium lowering is not well established, so the interaction has limited clinical support.
What this interaction means in plain words
Dichlorphenamide and Fluoxetine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Dichlorphenamide belongs to Miscellaneous; Fluoxetine belongs to Central Nervous System.
Why it happens
No well-established interaction mechanism; any effect is mainly the potassium loss caused by dichlorphenamide itself.
What to do
Monitor serum potassium and bicarbonate as already recommended for dichlorphenamide therapy. No additional action is needed because of fluoxetine.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Fluoxetine
- Fluoxetine + Isocarboxazid Contraindicated
- Fluoxetine + Mavacamten Contraindicated
- Fluoxetine + Methylene blue Contraindicated
- Fluoxetine + Phenelzine Contraindicated
- Fluoxetine + Pimozide Contraindicated
- Fluoxetine + Rasagiline Contraindicated
Other interactions of Dichlorphenamide
Frequently asked questions
Can I take Dichlorphenamide with Fluoxetine?
MediHelp rates the interaction as minor. Dichlorphenamide and Fluoxetine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Dichlorphenamide commonly causes hypokalemia through renal potassium loss, and fluoxetine on its own has little direct effect on potassium. The legacy claim of additive potassium lowering is not well established, so the interaction has limited clinical support.
How serious is the interaction between Dichlorphenamide and Fluoxetine?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium and bicarbonate as already recommended for dichlorphenamide therapy. No additional action is needed because of fluoxetine.
What other medicines interact with Fluoxetine?
MediHelp also lists interactions of Fluoxetine with, for example, Isocarboxazid, Mavacamten, Methylene blue. The full list is on the Fluoxetine page.
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