Drug interactions
Dichlorphenamide + Piperacillin
Severity: Moderate
Dichlorphenamide and Piperacillin: 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
Both drugs can lower serum potassium, so together they may produce clinically important hypokalemia. This raises the risk of weakness and arrhythmia, particularly in patients with other risk factors.
What this interaction means in plain words
Dichlorphenamide and Piperacillin 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 belongs to Miscellaneous; Piperacillin belongs to Anti Bacterial.
Why it happens
Additive potassium loss: dichlorphenamide causes renal potassium wasting and piperacillin, as a poorly absorbable sodium salt anion load, increases urinary potassium excretion.
What to do
Monitor serum potassium at baseline and during combined therapy, and replace potassium as needed. Take extra care in patients on digoxin or QT-prolonging drugs.
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 Piperacillin
- Piperacillin + Vancomycin Major
- Acetylsalicylic acid + Piperacillin Moderate
- Amikacin + Piperacillin Moderate
- Antithrombin alfa + Piperacillin Moderate
- Antithrombin iii + Piperacillin Moderate
- Argatroban + Piperacillin Moderate
Other interactions of Dichlorphenamide
Frequently asked questions
Can I take Dichlorphenamide with Piperacillin?
MediHelp rates the interaction as moderate. Dichlorphenamide and Piperacillin 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. Both drugs can lower serum potassium, so together they may produce clinically important hypokalemia. This raises the risk of weakness and arrhythmia, particularly in patients with other risk factors.
How serious is the interaction between Dichlorphenamide and Piperacillin?
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 at baseline and during combined therapy, and replace potassium as needed. Take extra care in patients on digoxin or QT-prolonging drugs.
What other medicines interact with Piperacillin?
MediHelp also lists interactions of Piperacillin with, for example, Vancomycin, Acetylsalicylic acid, Amikacin. The full list is on the Piperacillin page.
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