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ZANTAC vs ZANTAC 300

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 15, 2026·How we rate

Rating

70/100
70/100

Pharmacy pays

Type

RX
RX

Active ingredient

RANITIDINE HYDROCHLORIDE
RANITIDINE HYDROCHLORIDE

Dosage forms

Injectable, Syrup
Capsule, Tablet

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

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Frequently asked questions

Which is better-rated, Zantac or Zantac 300?

Zantac and Zantac 300 are tied at 3.5 out of 5 by our independent rating.

What is the difference between Zantac and Zantac 300?

Both Zantac and Zantac 300 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.