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FLUNISOLIDE vs MUCINEX

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 18, 2026·How we rate

Rating

72/100
New

Pharmacy pays

$1.88 /mL
$0.07 /mL

Type

RX
OTC

Active ingredient

FLUNISOLIDE
GUAIFENESIN

Manufacturer

Dosage forms

Solution
Tablet, extended release

Drug class

Corticosteroid
Expectorant

Boxed warning

None
None

Treats

Asthma, Perennial Allergic Rhinitis
Bronchitis, Common Cold, Cough

Get flunisolidehigher-rated option

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Frequently asked questions

Which is cheaper, Flunisolide or Mucinex?

Mucinex costs pharmacies less to acquire — about $0.07 vs $1.88 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 Flunisolide and Mucinex?

Flunisolide contains Flunisolide, while Mucinex contains Guaifenesin — 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.