PALONOSETRON HYDROCHLORIDE vs ZOFRAN PRESERVATIVE FREE

Independent side-by-side comparison.

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

Possible drug interaction. PALONOSETRON HYDROCHLORIDE and ZOFRAN 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	PALONOSETRON HYDROCHLORIDE	ZOFRAN PRESERVATIVE FREE
Rating	70/100	68/100
Pharmacy pays	—	$0.15 /mL
Type	RX	RX
Active ingredient	PALONOSETRON HYDROCHLORIDE	ONDANSETRON HYDROCHLORIDE
Manufacturer	Mylan Institutional	Sandoz
Dosage forms	Injectable, Solution	Injectable
Drug class	Serotonin-3 Receptor Antagonist	Serotonin-3 Receptor Antagonist
Boxed warning	None	None
Half-life	—	about 3 to 5 hours (roughly 4 hours) in healthy adults
Treats	—	Alcoholism

palonosetron hydrochloride zofran preservative free

Rating

70/100

68/100

Pharmacy pays

—

$0.15 /mL

Type

Active ingredient

PALONOSETRON HYDROCHLORIDE

ONDANSETRON HYDROCHLORIDE

Manufacturer

Mylan Institutional

Sandoz

Dosage forms

Injectable, Solution

Injectable

Drug class

Serotonin-3 Receptor Antagonist

Boxed warning

None

Half-life

—

about 3 to 5 hours (roughly 4 hours) in healthy adults

Treats

—

Alcoholism

Frequently asked questions

Which is better-rated, Palonosetron Hydrochloride or Zofran Preservative Free?

By our independent rating, Palonosetron Hydrochloride scores higher — 3.5 vs 3.4 out of 5 for Zofran Preservative Free. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Palonosetron Hydrochloride and Zofran Preservative Free?

Palonosetron Hydrochloride contains Palonosetron Hydrochloride, while Zofran Preservative Free contains Ondansetron 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.