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NEXIUM 24HR vs PRILOSEC

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Rating

70/100
70/100

Pharmacy pays

~$1.52 /30

Type

OTC
RX

Active ingredient

ESOMEPRAZOLE MAGNESIUM
OMEPRAZOLE

Dosage forms

Capsule, delayed release, Tablet
Powder, delayed release

Drug class

Proton Pump Inhibitor
Proton Pump Inhibitor

Boxed warning

None
None

Half-life

about 0.5 to 1 hour (roughly half an hour to an hour) in healthy adults

Treats

Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux
Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux

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Get treatment online

Licensed online providers — consult & get prescribed if eligible.

Where to buy

Buy over-the-counter from trusted retailers.

Frequently asked questions

Which is better-rated, Nexium 24hr or Prilosec?

Nexium 24hr and Prilosec are tied at 3.5 out of 5 by our independent rating.

What is the difference between Nexium 24hr and Prilosec?

Nexium 24hr contains Esomeprazole Magnesium, while Prilosec contains Omeprazole — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.