Disease Information & Support


The Word:


Generic name Mercaptopurine
Pronunciation mer-kap-toh-PYOOR-een
Brand name(s), other common name(s) Purinethol®, 6-MP, PurixanTM
Drug type  Antimetabolite
How the drug is given By mouth; liquid medication

Mercaptopurine is FDA approved to treat people who have acute lymphoblastic leukemia as part of a combination regimen.

Side effects needing medical attention: Fever, chills or sore throat; unusual bleeding or bruising; unusual tiredness or weakness; yellowing of eyes and skin; loss of appetite; side or stomach pain; joint pain; nausea and vomiting; swelling of feet or lower legs; black, tarry stools; sores in mouth or on lips.

Side effects needing medical attention after stopping this medication: Fever, chills or sore throat; unusual bleeding or bruising; yellowing of eyes and skin.


For information on how to manage the costs of drug therapy, please see Financial Matters and Prescription Drug Coverage, or to speak with an Information Specialist, call (800) 955-4572.

last updated on Wednesday, September 24, 2014