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FAMOTIDINE vs ZANTAC 150

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Possible drug interaction. FAMOTIDINE and ZANTAC 150 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.

famotidinezantac 150

Rating

70/100
70/100

Pharmacy pays

~$1.54 /30
—

Type

RX
RX

Active ingredient

FAMOTIDINE
RANITIDINE HYDROCHLORIDE

Manufacturer

Micro Labs
Glaxosmithkline

Dosage forms

Injectable, Solution, Powder, Tablet
Tablet

Drug class

Histamine-2 Receptor Antagonist
—

Boxed warning

None
None

Half-life

2.5 to 3.5 hours
about 2.5 to 3 hours

Treats

Duodenal Ulcer, Dyspepsia, Peptic Esophagitis
Duodenal Ulcer, Peptic Esophagitis, Gastroesophageal Reflux

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Frequently asked questions

Which is better-rated, Famotidine or Zantac 150?

Famotidine and Zantac 150 are tied at 3.5 out of 5 by our independent rating.

What is the difference between Famotidine and Zantac 150?

Famotidine contains Famotidine, while Zantac 150 contains Ranitidine Hydrochloride — 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.