HomeSpironolactoneSpironolactone + Benazepril Hydrochloride

Does Spironolactone Interact with Benazepril Hydrochloride?

Spironolactone and Benazepril Hydrochloride have a moderate drug interaction according to U.S. FDA drug labeling data. Increased risk of hyperkalemia. Monitor serum potassium frequently during concomitant use. The mechanism involves potassium-sparing diuretic combined with ace inhibitor potassium retention. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Moderate
Spironolactone Class
Aldosterone Antagonist
Management
Monitor for effects
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Spironolactone and Benazepril Hydrochloride occurs because potassium-sparing diuretic combined with ace inhibitor potassium retention. Clinically, this means increased risk of hyperkalemia. monitor serum potassium frequently during concomitant use. This is classified as a moderate interaction. While it may not require stopping either medication, your healthcare provider should be aware you are taking both so they can monitor for potential effects and adjust treatment if necessary.

What To Tell Your Doctor or Pharmacist

If you are taking Spironolactone and your doctor is considering prescribing Benazepril Hydrochloride (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Ask whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Spironolactone(Aldactone)+💊 Benazepril Hydrochloride(Lotensin)

Severity & Interaction Details

🟡
moderate
Be aware — moderate interaction
Documented interaction with manageable risk. May require dose adjustment or monitoring.
Severity scale
MinorContra
On record
Yes
Drug A class
Aldosterone Antagonist
Drug B class
Source
NLP:benazepril hydrochloride

What this means in plain English

Increased risk of hyperkalemia. Monitor serum potassium frequently during concomitant use.

About Spironolactone and Benazepril Hydrochloride

Spironolactone is an Aldosterone Antagonist. You may recognize them by the brand names Aldactone and Lotensin. Both medications are taken by mouth. Both Spironolactone and Benazepril Hydrochloride carry an FDA boxed warning — the agency's most serious safety designation.

What the FDA label says

"Potassium-sparing diuretic combined with ACE inhibitor potassium retention"

📖 Source: NLP:benazepril hydrochloride

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Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.