ACULAR LS vs NORLESTRIN FE 2.5/50

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 23, 2026·How we rate

Possible drug interaction. ACULAR LS and NORLESTRIN FE 2.5/50 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	NORLESTRIN FE 2.5/50
Rating	72/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	KETOROLAC TROMETHAMINE	ETHINYL ESTRADIOL AND FERROUS FUMARATE AND NORETHINDRONE ACETATE
Manufacturer	Abbvie	Parke Davis
Dosage forms	Drops	Tablet
Drug class	Nonsteroidal Anti-Inflammatory Drug	—
Boxed warning	None	None
Half-life	about 5 to 6 hours	about 8 hours
Treats	Allergic Conjunctivitis, Inflammation, Pain	—

acular ls norlestrin fe 2.5/50

Rating

72/100

New

Pharmacy pays

—

Type

Active ingredient

KETOROLAC TROMETHAMINE

ETHINYL ESTRADIOL AND FERROUS FUMARATE AND NORETHINDRONE ACETATE

Manufacturer

Abbvie

Parke Davis

Dosage forms

Drops

Tablet

Drug class

Nonsteroidal Anti-Inflammatory Drug

—

Boxed warning

None

Half-life

about 5 to 6 hours

about 8 hours

Treats

Allergic Conjunctivitis, Inflammation, Pain

—

Frequently asked questions

What is the difference between Acular Ls and Norlestrin Fe 2.5/50?

Acular Ls contains Ketorolac Tromethamine, while Norlestrin Fe 2.5/50 contains Ethinyl Estradiol and Ferrous Fumarate and Norethindrone Acetate — 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.