ZANTAC 25 vs ZANTAC 75

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Attribute	ZANTAC 25	ZANTAC 75
Rating	New	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	RANITIDINE HYDROCHLORIDE	RANITIDINE HYDROCHLORIDE
Manufacturer	Glaxo Grp Ltd	Chattem Sanofi
Dosage forms	Tablet, effervescent	Tablet, Tablet, effervescent
Drug class	—	—
Boxed warning	None	None
Half-life	about 2.5 to 3 hours	about 2.5 to 3 hours
Treats	Duodenal Ulcer, Peptic Esophagitis, Gastroesophageal Reflux	Duodenal Ulcer, Peptic Esophagitis, Gastroesophageal Reflux

zantac 25 zantac 75

Rating

New

Pharmacy pays

—

Type

Active ingredient

RANITIDINE HYDROCHLORIDE

Manufacturer

Glaxo Grp Ltd

Chattem Sanofi

Dosage forms

Tablet, effervescent

Tablet, Tablet, effervescent

Drug class

—

Boxed warning

None

Half-life

about 2.5 to 3 hours

Treats

Duodenal Ulcer, Peptic Esophagitis, Gastroesophageal Reflux

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Frequently asked questions

What is the difference between Zantac 25 and Zantac 75?

Both Zantac 25 and Zantac 75 share the active ingredient Ranitidine Hydrochloride.

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.