Propranolol and Esomeprazole Injection: Interaction Details
AI-assisted, pharmacist-reviewed · Source data updated Aug 8, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Esomeprazole Injection
Propranolol
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
What happens
Increased propranolol exposure
Interaction Deep Dive
Coadministration of propranolol, a CYP2C19 substrate, and a CYP2C19 inhibitor may increase propranolol exposure1, which may alter propranolol efficacy and/or toxicity, use with caution 2.
Why it happens (mechanism)
Inhibition of CYP2C19-mediated propranolol metabolism
Common questions
Can I take Propranolol and Esomeprazole Injection together?
Increased propranolol exposure Always confirm with your pharmacist or prescriber before making any change.
How serious is the Propranolol and Esomeprazole Injection interaction?
It is rated moderate. Can be significant — usually manageable with monitoring.
How quickly could this interaction happen?
The documented onset is "unspecified". The timing of this interaction is not well characterized.
How strong is the evidence for this interaction?
The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.
From our Q&A
Real reader questions about these medications, each personally answered by our pharmacist:
Questions for your pharmacist
- Does my dose of Propranolol or Esomeprazole Injection need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there anything you'd monitor while I'm on both?
References (2)
- Product Information: HEMANGEOL(R) oral solution, propranolol HCl oral solution. Pierre Fabre Pharmaceuticals Inc (per FDA), Parsippany, NJ, 2021. DailyMed
- Product Information: Propranolol HCl oral tablets, propranolol HCl oral tablets. Amneal Pharmaceuticals LLC (per DailyMed), Bridgewater, NJ, 2019. DailyMed
Keep reading about Esomeprazole Injection
Keep reading about Propranolol
These medications also interact with supplements
Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:
major · moderate · minor — check everything you take with our drug–supplement interaction checker.
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