AVINZA vs SUFENTA PRESERVATIVE FREE

Independent side-by-side comparison.

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

Possible drug interaction. AVINZA and SUFENTA PRESERVATIVE FREE 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	AVINZA	SUFENTA PRESERVATIVE FREE
Rating	New	72/100
Pharmacy pays	$2.61 /mL	—
Type	RX	RX
Active ingredient	MORPHINE SULFATE	SUFENTANIL CITRATE
Manufacturer	King Pharms LLC	Rising
Dosage forms	Capsule, extended release	Injectable
Drug class	Opioid Agonist	Opioid Agonist
Boxed warning	None	None
Half-life	about 2 hours	—
Treats	Dyspnea, Intractable Pain	Pain

avinza sufenta preservative free

Rating

New

72/100

Pharmacy pays

$2.61 /mL

—

Type

Active ingredient

MORPHINE SULFATE

SUFENTANIL CITRATE

Manufacturer

King Pharms LLC

Rising

Dosage forms

Capsule, extended release

Injectable

Drug class

Opioid Agonist

Boxed warning

None

Half-life

about 2 hours

—

Treats

Dyspnea, Intractable Pain

Pain

Frequently asked questions

What is the difference between Avinza and Sufenta Preservative Free?

Avinza contains Morphine Sulfate, while Sufenta Preservative Free contains Sufentanil Citrate — 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.