NAROPIN vs XYLOCAINE 4% PRESERVATIVE FREE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 11, 2026·How we rate

Possible drug interaction. NAROPIN and XYLOCAINE 4% 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	NAROPIN	XYLOCAINE 4% PRESERVATIVE FREE
Rating	62/100	66/100
Pharmacy pays	—	$0.23 /mL
Type	RX	RX
Active ingredient	ROPIVACAINE HYDROCHLORIDE	LIDOCAINE HYDROCHLORIDE
Manufacturer	Fresenius Kabi USA	Fresenius Kabi USA
Dosage forms	Injectable	Injectable, Solution
Drug class	Amide Local Anesthetic	Amide Local Anesthetic
Boxed warning	None	None
Treats	Postoperative Pain	Burns, Esophageal Diseases, Mouth Diseases

naropin xylocaine 4% preservative free

Rating

62/100

66/100

Pharmacy pays

—

$0.23 /mL

Type

Active ingredient

ROPIVACAINE HYDROCHLORIDE

LIDOCAINE HYDROCHLORIDE

Manufacturer

Fresenius Kabi USA

Dosage forms

Injectable

Injectable, Solution

Drug class

Amide Local Anesthetic

Boxed warning

None

Treats

Postoperative Pain

Burns, Esophageal Diseases, Mouth Diseases

Frequently asked questions

Which is better-rated, Naropin or Xylocaine 4% Preservative Free?

By our independent rating, Xylocaine 4% Preservative Free scores higher — 3.3 vs 3.1 out of 5 for Naropin. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Naropin and Xylocaine 4% Preservative Free?

Naropin contains Ropivacaine Hydrochloride, while Xylocaine 4% Preservative Free contains Lidocaine Hydrochloride — 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.