CLINORIL vs NAPRELAN

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 12, 2026·How we rate

Possible drug interaction. CLINORIL and NAPRELAN 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	CLINORIL	NAPRELAN
Rating	70/100	New
Pharmacy pays	~$6.27 /30	$0.06 /mL
Type	RX	RX
Active ingredient	SULINDAC	NAPROXEN SODIUM
Manufacturer	Merck	Twi Pharms
Dosage forms	Tablet	Tablet, extended release
Drug class	Nonsteroidal Anti-Inflammatory Drug	Nonsteroidal Anti-Inflammatory Drug
Boxed warning	None	Boxed warning
Half-life	—	about 12 to 17 hours
Treats	Rheumatoid Arthritis, Bursitis, Inflammation	Juvenile Arthritis, Rheumatoid Arthritis, Back Pain

clinoril naprelan

Rating

70/100

New

Pharmacy pays

~$6.27 /30

$0.06 /mL

Type

Active ingredient

SULINDAC

NAPROXEN SODIUM

Manufacturer

Merck

Twi Pharms

Dosage forms

Tablet

Tablet, extended release

Drug class

Nonsteroidal Anti-Inflammatory Drug

Boxed warning

None

Boxed warning

Half-life

—

about 12 to 17 hours

Treats

Rheumatoid Arthritis, Bursitis, Inflammation

Juvenile Arthritis, Rheumatoid Arthritis, Back Pain

Frequently asked questions

What is the difference between Clinoril and Naprelan?

Clinoril contains Sulindac, while Naprelan contains Naproxen Sodium — 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.