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CROMOLYN SODIUM 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

$0.60 /mL
$0.07 /mL

Type

RX
OTC

Active ingredient

CROMOLYN SODIUM
GUAIFENESIN

Manufacturer

Dosage forms

Spray/Inhaler, Solution, Drops, Spray/Inhaler, metered
Tablet, extended release

Drug class

Mast Cell Stabilizer
Expectorant

Boxed warning

None
None

Treats

Asthma, Bronchial Spasm, Conjunctivitis
Bronchitis, Common Cold, Cough

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Frequently asked questions

Which is cheaper, Cromolyn Sodium or Mucinex?

Mucinex costs pharmacies less to acquire — about $0.07 vs $0.60 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 Cromolyn Sodium and Mucinex?

Cromolyn Sodium contains Cromolyn Sodium, 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.