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Does Irbesartan Interact with Aliskiren?

Irbesartan and Aliskiren have a contraindicated drug interaction according to U.S. FDA drug labeling data. Dual RAS blockade is contraindicated in patients with diabetes. Avoid in patients with renal impairment (GFR <60 mL/min). Associated with increased risks of hypotension, hyperkalemia, and acute renal failure. The mechanism involves dual renin-angiotensin system blockade. 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
Contraindicated
Irbesartan Class
Angiotensin 2 Receptor Blocker
Management
Do not take together
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Irbesartan and Aliskiren occurs because dual renin-angiotensin system blockade. Clinically, this means dual ras blockade is contraindicated in patients with diabetes. avoid in patients with renal impairment (gfr <60 ml/min). associated with increased risks of hypotension, hyperkalemia, and acute renal failure. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.

What To Tell Your Doctor or Pharmacist

If you are taking Irbesartan and your doctor is considering prescribing Aliskiren (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 about alternative medications that do not interact with your current regimen
  • Ask how frequently you should be monitored while these are co-prescribed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Irbesartan+💊 Aliskiren(Aliskiren)

Severity & Interaction Details

⛔
contraindicated
Avoid this combination
FDA labeling lists this pair as contraindicated. The risk outweighs the benefit in nearly all cases.
Severity scale
MinorContra
On record
Yes
Drug A class
Angiotensin 2 Receptor Blocker
Drug B class
—
Source
NLP:irbesartan

What this means in plain English

Dual RAS blockade is contraindicated in patients with diabetes. Avoid in patients with renal impairment (GFR <60 mL/min). Associated with increased risks of hypotension, hyperkalemia, and acute renal failure.

What the FDA label says

"Dual renin-angiotensin system blockade"

📖 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.