KADIAN vs VANTRELA ER

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 16, 2026·How we rate

Possible drug interaction. KADIAN 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	KADIAN	VANTRELA ER
Rating	72/100	New
Pharmacy pays	$2.61 /mL	~$239.83 /30
Type	RX	RX
Active ingredient	MORPHINE SULFATE	HYDROCODONE BITARTRATE
Manufacturer	Allergan	Teva Branded Pharm
Dosage forms	Capsule, extended release	Tablet, extended release
Drug class	Opioid Agonist	Opioid Agonist
Boxed warning	None	None
Half-life	about 2 hours	about 3.8 hours (3.8 ± 0.3 hours)
Treats	Dyspnea, Intractable Pain	Cough, Obstructive Lung Diseases, Postoperative Pain

kadian vantrela er

Rating

72/100

New

Pharmacy pays

$2.61 /mL

~$239.83 /30

Type

Active ingredient

MORPHINE SULFATE

HYDROCODONE BITARTRATE

Manufacturer

Allergan

Teva Branded Pharm

Dosage forms

Capsule, extended release

Tablet, extended release

Drug class

Opioid Agonist

Boxed warning

None

Half-life

about 2 hours

about 3.8 hours (3.8 ± 0.3 hours)

Treats

Dyspnea, Intractable Pain

Cough, Obstructive Lung Diseases, Postoperative Pain

Frequently asked questions

What is the difference between Kadian and Vantrela ER?

Kadian contains Morphine Sulfate, 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.