Drug interactions
Dichlorphenamide + Hetastarch
Severity: Moderate
Dichlorphenamide and Hetastarch: 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 produces a hyperchloremic metabolic acidosis through bicarbonate loss. Large-volume hetastarch in chloride-containing saline carriers can add to acidosis and impair renal function, which could compound the acid-base disturbance.
What this interaction means in plain words
Dichlorphenamide and Hetastarch 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; Hetastarch belongs to Cardiovascular.
Why it happens
Additive acidosis from carbonic anhydrase inhibition plus chloride load and possible renal impairment from hetastarch.
What to do
Check serum bicarbonate and renal function before and during hetastarch infusion in patients on dichlorphenamide. Consider a balanced crystalloid carrier and correct acidosis if it develops.
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 Dichlorphenamide
Frequently asked questions
Can I take Dichlorphenamide with Hetastarch?
MediHelp rates the interaction as moderate. Dichlorphenamide and Hetastarch 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 produces a hyperchloremic metabolic acidosis through bicarbonate loss. Large-volume hetastarch in chloride-containing saline carriers can add to acidosis and impair renal function, which could compound the acid-base disturbance.
How serious is the interaction between Dichlorphenamide and Hetastarch?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check serum bicarbonate and renal function before and during hetastarch infusion in patients on dichlorphenamide. Consider a balanced crystalloid carrier and correct acidosis if it develops.
What other medicines interact with Dichlorphenamide?
MediHelp also lists interactions of Dichlorphenamide with, for example, Acetazolamide, Acetylsalicylic acid, Ammonium chloride. The full list is on the Dichlorphenamide page.
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