Skip to content

Drug interactions

Deflazacort + Hydrochlorothiazide-valsartan

Severity: Moderate

Deflazacort and Hydrochlorothiazide-valsartan: 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

Deflazacort is a corticosteroid and, like hydrochlorothiazide, can lower serum potassium. Used together they may cause clinically significant hypokalemia and may also reduce antihypertensive efficacy through sodium and fluid retention.

What this interaction means in plain words

Deflazacort and Hydrochlorothiazide-valsartan 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.

Deflazacort belongs to Miscellaneous; Hydrochlorothiazide-valsartan belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

Additive renal potassium wasting from thiazide-induced distal sodium delivery and corticosteroid mineralocorticoid activity.

What to do

Monitor serum potassium and blood pressure, particularly during long-term corticosteroid therapy. Replace potassium or adjust therapy if hypokalemia 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?

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 Deflazacort and Hydrochlorothiazide-valsartan, 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 Deflazacort with Hydrochlorothiazide-valsartan?

MediHelp rates the interaction as moderate. Deflazacort and Hydrochlorothiazide-valsartan 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. Deflazacort is a corticosteroid and, like hydrochlorothiazide, can lower serum potassium. Used together they may cause clinically significant hypokalemia and may also reduce antihypertensive efficacy through sodium and fluid retention.

How serious is the interaction between Deflazacort and Hydrochlorothiazide-valsartan?

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 blood pressure, particularly during long-term corticosteroid therapy. Replace potassium or adjust therapy if hypokalemia develops.

What other medicines interact with Hydrochlorothiazide-valsartan?

MediHelp also lists interactions of Hydrochlorothiazide-valsartan with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Hydrochlorothiazide-valsartan 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