CAYSTON vs NALIDIXIC ACID

Independent side-by-side comparison.

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

Possible drug interaction. CAYSTON and NALIDIXIC ACID 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	CAYSTON	NALIDIXIC ACID
Rating	70/100	70/100
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	AZTREONAM	NALIDIXIC ACID
Manufacturer	Gilead Sciences Inc	Watson Labs
Dosage forms	Kit	Tablet
Drug class	—	—
Boxed warning	None	None
Treats	Cellulitis, Endometritis, Pseudomonas Infections	Escherichia Coli Infections, Klebsiella Infections, Proteus Infections

cayston nalidixic acid

Rating

70/100

Pharmacy pays

—

Type

Active ingredient

AZTREONAM

NALIDIXIC ACID

Manufacturer

Gilead Sciences Inc

Watson Labs

Dosage forms

Kit

Tablet

Drug class

—

Boxed warning

None

Treats

Cellulitis, Endometritis, Pseudomonas Infections

Escherichia Coli Infections, Klebsiella Infections, Proteus Infections

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Frequently asked questions

Which is better-rated, Cayston or Nalidixic Acid?

Cayston and Nalidixic Acid are tied at 3.5 out of 5 by our independent rating.

What is the difference between Cayston and Nalidixic Acid?

Cayston contains Aztreonam, while Nalidixic Acid contains Nalidixic Acid — 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.