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COTELLIC vs KOSELUGO

Independent side-by-side comparison.

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

Possible drug interaction. COTELLIC and KOSELUGO 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.

cotellickoselugo

Rating

70/100
70/100

Pharmacy pays

—
—

Type

RX
RX

Active ingredient

COBIMETINIB FUMARATE
SELUMETINIB SULFATE

Manufacturer

Genentech Inc
Astrazeneca

Dosage forms

Tablet
Capsule, Powder

Drug class

Kinase Inhibitor
Kinase Inhibitor

Boxed warning

None
None

Treats

Melanoma
Neurofibromatosis 1

Frequently asked questions

Which is better-rated, Cotellic or Koselugo?

Cotellic and Koselugo are tied at 3.5 out of 5 by our independent rating.

What is the difference between Cotellic and Koselugo?

Cotellic contains Cobimetinib Fumarate, while Koselugo contains Selumetinib Sulfate — 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.