Drug interactions
Bisacodyl + Dichlorphenamide
Severity: Moderate
Bisacodyl and Dichlorphenamide: 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
Dichlorphenamide, a carbonic anhydrase inhibitor, increases renal potassium loss, and stimulant laxatives add gastrointestinal potassium loss. The combination can lead to clinically significant hypokalemia, which is especially undesirable in patients with periodic paralysis.
What this interaction means in plain words
Bisacodyl and Dichlorphenamide 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.
Bisacodyl belongs to Gastrointestinal Tract; Dichlorphenamide belongs to Miscellaneous.
Why it happens
Additive potassium depletion through renal wasting (dichlorphenamide) and diarrhea-related intestinal loss (bisacodyl).
What to do
Monitor serum potassium and bicarbonate during combined use and avoid prolonged laxative use. Supplement potassium if levels fall.
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 Bisacodyl
- Bisacodyl + Deflazacort Moderate
- Bisacodyl + Sodium sulfate / ?magnesium sulfate / potassium chloride Moderate
- Bisacodyl + Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol Moderate
- Bisacodyl + Sodium sulfate / potassium sulfate / magnesium sulfate Moderate
- Bisacodyl + Potassium acid Minor
- Bisacodyl + Potassium chloride Minor
Other interactions of Dichlorphenamide
Frequently asked questions
Can I take Bisacodyl with Dichlorphenamide?
MediHelp rates the interaction as moderate. Bisacodyl and Dichlorphenamide 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. Dichlorphenamide, a carbonic anhydrase inhibitor, increases renal potassium loss, and stimulant laxatives add gastrointestinal potassium loss. The combination can lead to clinically significant hypokalemia, which is especially undesirable in patients with periodic paralysis.
How serious is the interaction between Bisacodyl and Dichlorphenamide?
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 serum potassium and bicarbonate during combined use and avoid prolonged laxative use. Supplement potassium if levels fall.
What other medicines interact with Bisacodyl?
MediHelp also lists interactions of Bisacodyl with, for example, Deflazacort, Sodium sulfate / ?magnesium sulfate / potassium chloride, Sodium sulfate / potassium chloride / magnesium sulfate / polyethylene glycol. The full list is on the Bisacodyl page.
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