OMEPRAZOLE MAGNESIUM vs PREVACID

Independent side-by-side comparison.

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

Possible drug interaction. OMEPRAZOLE MAGNESIUM and PREVACID are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	OMEPRAZOLE MAGNESIUM	PREVACID
Rating	68/100	New
Pharmacy pays	—	~$5.10 /30
Type	RX	RX
Active ingredient	OMEPRAZOLE MAGNESIUM	LANSOPRAZOLE
Manufacturer	Aurobindo Pharma Ltd	Takeda Pharms USA
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

Rating

68/100

New

Pharmacy pays

—

~$5.10 /30

Type

Active ingredient

OMEPRAZOLE MAGNESIUM

LANSOPRAZOLE

Manufacturer

Aurobindo Pharma Ltd

Takeda Pharms USA

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

What is the difference between Omeprazole Magnesium and Prevacid?

Omeprazole Magnesium contains Omeprazole Magnesium, while Prevacid 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.