CONZIP vs DURAGESIC-100

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 19, 2026·How we rate

Possible drug interaction. CONZIP and DURAGESIC-100 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	CONZIP	DURAGESIC-100
Rating	New	70/100
Pharmacy pays	~$0.72 /30	$9.51 /mL
Type	RX	RX
Active ingredient	TRAMADOL HYDROCHLORIDE	FENTANYL
Manufacturer	Cipher Pharms Inc	Janssen Pharms
Dosage forms	Capsule, extended release	Film, extended release
Drug class	Opioid Agonist	Opioid Agonist
Boxed warning	Boxed warning	None
Half-life	about 6 hours (mean terminal elimination half-life of tramadol in healthy adults)	—
Treats	Pain	Pain

conzip duragesic-100

Rating

New

70/100

Pharmacy pays

~$0.72 /30

$9.51 /mL

Type

Active ingredient

TRAMADOL HYDROCHLORIDE

FENTANYL

Manufacturer

Cipher Pharms Inc

Janssen Pharms

Dosage forms

Capsule, extended release

Film, extended release

Drug class

Opioid Agonist

Boxed warning

None

Half-life

about 6 hours (mean terminal elimination half-life of tramadol in healthy adults)

—

Treats

Pain

Frequently asked questions

What is the difference between Conzip and Duragesic-100?

Conzip contains Tramadol Hydrochloride, while Duragesic-100 contains Fentanyl — 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.