PURINETHOL vs RYLAZE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated October 8, 2026·How we rate

Possible drug interaction. PURINETHOL and RYLAZE 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	PURINETHOL	RYLAZE
Rating	72/100	New
Pharmacy pays	~$30.33 /30	—
Type	RX	RX
Active ingredient	MERCAPTOPURINE	ASPARAGINASE ERWINIA CHRYSANTHEMI (RECOMBINANT)-RYWN
Manufacturer	Stason Pharms	Jazz
Dosage forms	Tablet	Injectable
Drug class	—	—
Boxed warning	None	None
Treats	Non-Hodgkin Lymphoma, B-Cell Chronic Lymphocytic Leukemia, Precursor Cell Lymphoblastic Leukemia-Lymphoma	Cholelithiasis, Lymphoma, Precursor Cell Lymphoblastic Leukemia-Lymphoma

purinethol rylaze

Rating

72/100

New

Pharmacy pays

~$30.33 /30

—

Type

Active ingredient

MERCAPTOPURINE

ASPARAGINASE ERWINIA CHRYSANTHEMI (RECOMBINANT)-RYWN

Manufacturer

Stason Pharms

Jazz

Dosage forms

Tablet

Injectable

Drug class

—

Boxed warning

None

Treats

Non-Hodgkin Lymphoma, B-Cell Chronic Lymphocytic Leukemia, Precursor Cell Lymphoblastic Leukemia-Lymphoma

Cholelithiasis, Lymphoma, Precursor Cell Lymphoblastic Leukemia-Lymphoma

Frequently asked questions

What is the difference between Purinethol and Rylaze?

Purinethol contains Mercaptopurine, while Rylaze contains Asparaginase Erwinia Chrysanthemi (Recombinant)-Rywn — 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.