ARCALYST vs DESOXIMETASONE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 13, 2026·How we rate

Possible drug interaction. ARCALYST and DESOXIMETASONE 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.

Attribute	ARCALYST	DESOXIMETASONE
Rating	New	72/100
Pharmacy pays	—	$0.40 /g
Type	RX	RX
Active ingredient	RILONACEPT	DESOXIMETASONE
Manufacturer	Kiniksa Pharmaceuticals (UK), Ltd.	Rising
Dosage forms	Injectable	Topical
Drug class	—	Corticosteroid
Boxed warning	None	None
Treats	Inflammation, Inborn Genetic Diseases	Facial Dermatoses, Foot Dermatoses, Hand Dermatoses

arcalyst desoximetasone

Rating

New

72/100

Pharmacy pays

—

$0.40 /g

Type

Active ingredient

RILONACEPT

DESOXIMETASONE

Manufacturer

Kiniksa Pharmaceuticals (UK), Ltd.

Rising

Dosage forms

Injectable

Topical

Drug class

—

Corticosteroid

Boxed warning

None

Treats

Inflammation, Inborn Genetic Diseases

Facial Dermatoses, Foot Dermatoses, Hand Dermatoses

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Frequently asked questions

What is the difference between Arcalyst and Desoximetasone?

Arcalyst contains Rilonacept, while Desoximetasone contains Desoximetasone — 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.