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ALREX vs DECADRON

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 5, 2026·How we rate

Possible drug interaction. ALREX and DECADRON 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

$19.51 /mL
$0.24 /mL

Type

RX
RX

Active ingredient

LOTEPREDNOL ETABONATE
DEXAMETHASONE

Dosage forms

Drops
Tablet

Drug class

Corticosteroid
Corticosteroid

Boxed warning

None
None

Half-life

—
about 4 hours

Treats

Allergic Conjunctivitis, Bacterial Conjunctivitis, Viral Conjunctivitis
Addison Disease, Brain Edema, Bursitis

Frequently asked questions

Which is cheaper, Alrex or Decadron?

Decadron costs pharmacies less to acquire — about $0.24 vs $19.51 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 Alrex and Decadron?

Alrex contains Loteprednol Etabonate, while Decadron contains Dexamethasone — 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.