VOLTAREN ARTHRITIS PAIN vs ZIPSOR

Independent side-by-side comparison.

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

Attribute	VOLTAREN ARTHRITIS PAIN	ZIPSOR
Rating	72/100	New
Pharmacy pays	$0.36 /mL	$0.36 /mL
Type	OTC	RX
Active ingredient	DICLOFENAC SODIUM	DICLOFENAC POTASSIUM
Manufacturer	Haleon US Holdings	Assertio Speclty
Dosage forms	Topical, Kit	Capsule
Drug class	Nonsteroidal Anti-Inflammatory Drug	Nonsteroidal Anti-Inflammatory Drug
Boxed warning	None	Boxed warning
Half-life	about 2 hours (terminal/elimination half-life; the label's table gives a mean of 2.3 hours in healthy adults, with wide variation between people — 48% coefficient of variation)	about 2 hours (terminal/elimination half-life; the label's table gives a mean of 2.3 hours in healthy adults, with wide variation between people — 48% coefficient of variation)
Treats	Juvenile Arthritis, Rheumatoid Arthritis, Dysmenorrhea	Juvenile Arthritis, Rheumatoid Arthritis, Dysmenorrhea

voltaren arthritis pain zipsor

Rating

72/100

New

Pharmacy pays

$0.36 /mL

Type

OTC

Active ingredient

DICLOFENAC SODIUM

DICLOFENAC POTASSIUM

Manufacturer

Haleon US Holdings

Assertio Speclty

Dosage forms

Topical, Kit

Capsule

Drug class

Nonsteroidal Anti-Inflammatory Drug

Boxed warning

None

Boxed warning

Half-life

about 2 hours (terminal/elimination half-life; the label's table gives a mean of 2.3 hours in healthy adults, with wide variation between people — 48% coefficient of variation)

Treats

Juvenile Arthritis, Rheumatoid Arthritis, Dysmenorrhea

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Where to buy

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Frequently asked questions

Which is cheaper, Voltaren Arthritis Pain or Zipsor?

Pharmacies pay about the same to acquire either one — roughly $0.36 per ml, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Voltaren Arthritis Pain and Zipsor?

Voltaren Arthritis Pain contains Diclofenac Sodium, while Zipsor contains Diclofenac Potassium — 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.