ARCALYST vs FML FORTE

Independent side-by-side comparison.

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

Possible drug interaction. ARCALYST and FML FORTE 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	FML FORTE
Rating	New	72/100
Pharmacy pays	—	$12.88 /mL
Type	RX	RX
Active ingredient	RILONACEPT	FLUOROMETHOLONE
Manufacturer	Kiniksa Pharmaceuticals (UK), Ltd.	Abbvie
Dosage forms	Injectable	Drops
Drug class	—	Corticosteroid
Boxed warning	None	None
Treats	Inflammation, Inborn Genetic Diseases	Conjunctivitis, Inflammation, Keratitis

arcalyst fml forte

Rating

New

72/100

Pharmacy pays

—

$12.88 /mL

Type

Active ingredient

RILONACEPT

FLUOROMETHOLONE

Manufacturer

Kiniksa Pharmaceuticals (UK), Ltd.

Abbvie

Dosage forms

Injectable

Drops

Drug class

—

Corticosteroid

Boxed warning

None

Treats

Inflammation, Inborn Genetic Diseases

Conjunctivitis, Inflammation, Keratitis

Frequently asked questions

What is the difference between Arcalyst and Fml Forte?

Arcalyst contains Rilonacept, while Fml Forte 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.