Skip to content

Drug interactions

Dichlorphenamide + Vorinostat

Severity: Moderate

Dichlorphenamide and Vorinostat: 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

Vorinostat can cause hypokalemia, diarrhea and QT changes, and dichlorphenamide also lowers potassium. Combined use may increase electrolyte depletion and arrhythmia risk.

What this interaction means in plain words

Dichlorphenamide and Vorinostat 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; Vorinostat belongs to Oncology.

Evidence level: Low

Why it happens

Additive hypokalemia from renal potassium loss and vorinostat-related electrolyte disturbance.

What to do

Monitor potassium and magnesium regularly and replace deficits. Consider ECG monitoring in patients with cardiac risk factors.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Dichlorphenamide and Vorinostat, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Dichlorphenamide with Vorinostat?

MediHelp rates the interaction as moderate. Dichlorphenamide and Vorinostat 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. Vorinostat can cause hypokalemia, diarrhea and QT changes, and dichlorphenamide also lowers potassium. Combined use may increase electrolyte depletion and arrhythmia risk.

How serious is the interaction between Dichlorphenamide and Vorinostat?

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 potassium and magnesium regularly and replace deficits. Consider ECG monitoring in patients with cardiac risk factors.

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.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in