ACULAR LS vs ARCALYST

Independent side-by-side comparison.

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

Possible drug interaction. ACULAR LS and ARCALYST 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	ACULAR LS	ARCALYST
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	KETOROLAC TROMETHAMINE	RILONACEPT
Manufacturer	Abbvie	Kiniksa Pharmaceuticals (UK), Ltd.
Dosage forms	Drops	Injectable
Drug class	Nonsteroidal Anti-Inflammatory Drug	—
Boxed warning	None	None
Half-life	about 5 to 6 hours	—
Treats	Allergic Conjunctivitis, Inflammation, Pain	Inflammation, Inborn Genetic Diseases

acular ls arcalyst

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

KETOROLAC TROMETHAMINE

RILONACEPT

Manufacturer

Abbvie

Kiniksa Pharmaceuticals (UK), Ltd.

Dosage forms

Drops

Injectable

Drug class

Nonsteroidal Anti-Inflammatory Drug

—

Boxed warning

None

Half-life

about 5 to 6 hours

—

Treats

Allergic Conjunctivitis, Inflammation, Pain

Inflammation, Inborn Genetic Diseases

Frequently asked questions

What is the difference between Acular Ls and Arcalyst?

Acular Ls contains Ketorolac Tromethamine, while Arcalyst contains Rilonacept — 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.