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ZITHROMAX vs ZMAX

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Rating

64/100
New

Pharmacy pays

~$9.48 /30
~$9.48 /30

Type

RX
RX

Active ingredient

AZITHROMYCIN
AZITHROMYCIN

Manufacturer

Dosage forms

Injectable, Powder, Tablet

Drug class

Macrolide Antimicrobial
Macrolide Antimicrobial

Boxed warning

None
None

Half-life

about 68 hours
about 68 hours

Treats

Chlamydia Infections, Haemophilus Infections, Nontuberculous Mycobacterium Infections
Chlamydia Infections, Haemophilus Infections, Nontuberculous Mycobacterium Infections

Frequently asked questions

Which is cheaper, Zithromax or Zmax?

Pharmacies pay about the same to acquire either one — roughly $9.48 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Zithromax and Zmax?

Both Zithromax and Zmax share the active ingredient Azithromycin.

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.