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ONDANSETRON vs PALONOSETRON HYDROCHLORIDE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 22, 2026·How we rate

Possible drug interaction. ONDANSETRON 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.

ondansetronpalonosetron hydrochloride

Rating

56/100
70/100

Pharmacy pays

$0.15 /mL
—

Type

RX
RX

Active ingredient

ONDANSETRON
PALONOSETRON HYDROCHLORIDE

Manufacturer

Teva
Mylan Institutional

Dosage forms

Injectable, Solution, Tablet, Tablet, orally disintegrating
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 or Palonosetron Hydrochloride?

By our independent rating, Palonosetron Hydrochloride scores higher — 3.5 vs 2.8 out of 5 for Ondansetron. Ratings are based on FDA regulatory (recall-safety) data.

What is the difference between Ondansetron and Palonosetron Hydrochloride?

Ondansetron contains Ondansetron, 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.