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AEROSPAN HFA vs FML

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. AEROSPAN HFA and FML 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

New
72/100

Pharmacy pays

$1.88 /mL
$12.87 /mL

Type

RX
RX

Active ingredient

FLUNISOLIDE
FLUOROMETHOLONE

Dosage forms

Spray/Inhaler, metered
Drops

Drug class

Corticosteroid
Corticosteroid

Boxed warning

None
None

Treats

Asthma, Perennial Allergic Rhinitis
Conjunctivitis, Inflammation, Keratitis

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Frequently asked questions

Which is cheaper, Aerospan Hfa or Fml?

Aerospan Hfa costs pharmacies less to acquire — about $1.88 vs $12.87 per ml, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Aerospan Hfa and Fml?

Aerospan Hfa contains Flunisolide, while Fml contains Fluorometholone — 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.