OMEPRAZOLE MAGNESIUM vs PREVACID 24 HR

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Attribute	OMEPRAZOLE MAGNESIUM	PREVACID 24 HR
Rating	68/100	64/100
Pharmacy pays	—	~$5.10 /30
Type	RX	OTC
Active ingredient	OMEPRAZOLE MAGNESIUM	LANSOPRAZOLE
Manufacturer	Aurobindo Pharma Ltd	Perrigo
Dosage forms	Capsule, delayed release	Capsule, 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	about 1.5 hours (mean, ±1.0) in healthy adults — the label states the plasma elimination half-life is less than two hours
Treats	Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux	Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux

omeprazole magnesium prevacid 24 hr

Rating

68/100

64/100

Pharmacy pays

—

~$5.10 /30

Type

OTC

Active ingredient

OMEPRAZOLE MAGNESIUM

LANSOPRAZOLE

Manufacturer

Aurobindo Pharma Ltd

Perrigo

Dosage forms

Capsule, delayed release

Drug class

Proton Pump Inhibitor

Boxed warning

None

Half-life

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

about 1.5 hours (mean, ±1.0) in healthy adults — the label states the plasma elimination half-life is less than two hours

Treats

Duodenal Ulcer, Esophagitis, Gastroesophageal Reflux

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Frequently asked questions

Which is better-rated, Omeprazole Magnesium or Prevacid 24 Hr?

By our independent rating, Omeprazole Magnesium scores higher — 3.4 vs 3.2 out of 5 for Prevacid 24 Hr. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Omeprazole Magnesium and Prevacid 24 Hr?

Omeprazole Magnesium contains Omeprazole Magnesium, while Prevacid 24 Hr contains Lansoprazole — 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.