CONZIP vs VANTRELA ER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 8, 2026·How we rate

Possible drug interaction. CONZIP and VANTRELA ER 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	VANTRELA ER
Rating	70/100	New
Pharmacy pays	~$0.72 /30	~$239.09 /30
Type	RX	RX
Active ingredient	TRAMADOL HYDROCHLORIDE	HYDROCODONE BITARTRATE
Manufacturer	Cipher Pharms Inc	Teva Branded Pharm
Dosage forms	Capsule, extended release	Tablet, 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)	about 3.8 hours (3.8 ± 0.3 hours)
Treats	Pain	Cough, Obstructive Lung Diseases, Postoperative Pain

conzip vantrela er

Rating

70/100

New

Pharmacy pays

~$0.72 /30

~$239.09 /30

Type

Active ingredient

TRAMADOL HYDROCHLORIDE

HYDROCODONE BITARTRATE

Manufacturer

Cipher Pharms Inc

Teva Branded Pharm

Dosage forms

Capsule, extended release

Tablet, extended release

Drug class

Opioid Agonist

Boxed warning

None

Half-life

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

about 3.8 hours (3.8 ± 0.3 hours)

Treats

Pain

Cough, Obstructive Lung Diseases, Postoperative Pain

Frequently asked questions

Which is cheaper, Conzip or Vantrela ER?

Conzip costs pharmacies less to acquire — about $0.72 vs $239.09 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Conzip and Vantrela ER?

Conzip contains Tramadol Hydrochloride, while Vantrela ER contains Hydrocodone Bitartrate — 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.