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FLUNISOLIDE vs ZYFLO

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. FLUNISOLIDE and ZYFLO 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.

Rating

72/100
70/100

Pharmacy pays

$1.88 /mL
~$61.45 /30

Type

RX
RX

Active ingredient

FLUNISOLIDE
ZILEUTON

Manufacturer

Dosage forms

Solution
Tablet

Drug class

Corticosteroid
5-Lipoxygenase Inhibitor

Boxed warning

None
None

Treats

Asthma, Perennial Allergic Rhinitis
Asthma

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Frequently asked questions

Which is better-rated, Flunisolide or Zyflo?

By our independent rating, Flunisolide scores higher — 3.6 vs 3.5 out of 5 for Zyflo. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Flunisolide and Zyflo?

Flunisolide contains Flunisolide, while Zyflo contains Zileuton — 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.