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ONDANSETRON HYDROCHLORIDE vs PALONOSETRON HYDROCHLORIDE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. ONDANSETRON HYDROCHLORIDE and PALONOSETRON HYDROCHLORIDE 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.

ondansetron hydrochloridepalonosetron hydrochloride

Rating

70/100
70/100

Pharmacy pays

$0.15 /mL
—

Type

RX
RX

Active ingredient

ONDANSETRON HYDROCHLORIDE
PALONOSETRON HYDROCHLORIDE

Manufacturer

Lannett Co Inc
Mylan Institutional

Dosage forms

Solution
Injectable, Solution

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
—

Frequently asked questions

Which is better-rated, Ondansetron Hydrochloride or Palonosetron Hydrochloride?

Ondansetron Hydrochloride and Palonosetron Hydrochloride are tied at 3.5 out of 5 by our independent rating.

What is the difference between Ondansetron Hydrochloride and Palonosetron Hydrochloride?

Ondansetron Hydrochloride contains Ondansetron Hydrochloride, while Palonosetron Hydrochloride contains Palonosetron 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.