IRESSA vs LAZCLUZE

Independent side-by-side comparison.

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

Possible drug interaction. IRESSA and LAZCLUZE 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	IRESSA	LAZCLUZE
Rating	70/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	GEFITINIB	LAZERTINIB MESYLATE
Manufacturer	Astrazeneca	Janssen Biotech
Dosage forms	Tablet	Tablet
Drug class	Kinase Inhibitor	Kinase Inhibitor
Boxed warning	None	None
Treats	Non-Small-Cell Lung Carcinoma	Lung Neoplasms

iressa lazcluze

Rating

70/100

New

Pharmacy pays

—

Type

Active ingredient

GEFITINIB

LAZERTINIB MESYLATE

Manufacturer

Astrazeneca

Janssen Biotech

Dosage forms

Tablet

Drug class

Kinase Inhibitor

Boxed warning

None

Treats

Non-Small-Cell Lung Carcinoma

Lung Neoplasms

Frequently asked questions

What is the difference between Iressa and Lazcluze?

Iressa contains Gefitinib, while Lazcluze contains Lazertinib Mesylate — 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.