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Shaik Nayeem Uddin: Clopidogrel and Omeprazole Combination Can Quietly Reduce A Life-Saving Effect
Shaik Nayeem Uddin/LinkedIn
Apr 1, 2026, 17:19

Shaik Nayeem Uddin: Clopidogrel and Omeprazole Combination Can Quietly Reduce A Life-Saving Effect

Shaik Nayeem Uddin, Global Outreach – Student of the Member American Society for Microbiology, shared a post on LinkedIn:

“A commonly prescribed combination can quietly reduce a life-saving effect.

Let that sink in.

Clopidogrel is a prodrug.
It needs CYP2C19 to become active.

Now introduce Omeprazole.
CYP2C19 gets inhibited, which leads to reduced activation and consequently decreased protection.

What this really means is:
A patient you’re trying to protect from thrombosis may not be getting the full benefit of therapy.

This matters more in:

  • Post-MI patients
  • Stent placements
  • High cardiovascular risk cases

The fix isn’t complicated.
Prefer Pantoprazole when needed

Simple change. Real impact.

Here’s the bigger point:
Drug interactions aren’t rare. They’re routine and often overlooked.

And this is exactly where clinical thinking matters.

This is Part 1 of my series:
Drug Interactions Every Clinician Should Know

If you’re in healthcare, this is something you’ll see more often than you think.

Have you encountered this in clinical practice?”

Shaik Nayeem Uddin

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Antiplatelet Drugs Blood Cardiology clopidogrel CV Risk CYP2C19 Drug Interactions Health Hematology Hemophilia Hemostasis Hemostasis News Hemostasis Today Medicine MI Omeprazole Patient Safety Pharmacotherapy Shaik Nayeem Uddin stroke thrombosis
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