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Does Irbesartan Interact with Angiotensin Ii?

Irbesartan and Angiotensin Ii have a major drug interaction according to U.S. FDA drug labeling data. Dual blockade of the RAS associated with increased risks of hypotension, hyperkalemia, and changes in renal function including acute renal failure. Avoid combined use. The mechanism involves dual blockade of the renin-angiotensin system produces additive effects and increased adverse outcomes. 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
Major
Irbesartan Class
Angiotensin 2 Receptor Blocker
Angiotensin Ii Class
Vasoconstrictor
Management
Close medical supervision required
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Irbesartan and Angiotensin Ii occurs because dual blockade of the renin-angiotensin system produces additive effects and increased adverse outcomes. Clinically, this means dual blockade of the ras associated with increased risks of hypotension, hyperkalemia, and changes in renal function including acute renal failure. avoid combined use. This is classified as a major interaction, meaning it could cause serious harm if not properly managed. Your healthcare provider may need to adjust dosages, substitute one medication, or increase monitoring frequency.

What To Tell Your Doctor or Pharmacist

If you are taking Irbesartan and your doctor is considering prescribing Angiotensin Ii (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 how frequently you should be monitored while these are co-prescribed
  • Ask whether any dosage adjustments are needed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Irbesartan+💊 Angiotensin Ii(Angiotensin Ii)

Severity & Interaction Details

⚠️
major
Use with caution — major interaction
Serious risk of clinically significant harm. Generally avoid; if used, monitor closely.
Severity scale
MinorContra
On record
Yes
Drug A class
Angiotensin 2 Receptor Blocker
Drug B class
Vasoconstrictor
Source
NLP:irbesartan

What this means in plain English

Dual blockade of the RAS associated with increased risks of hypotension, hyperkalemia, and changes in renal function including acute renal failure. Avoid combined use.

What the FDA label says

"Dual blockade of the renin-angiotensin system produces additive effects and increased adverse outcomes"

📖 Source: NLP:irbesartan

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.