Skip to Main Content
Skip Nav Destination






(mer kap toe PURE een)

Brand Names: US

  • Purixan

Therapeutic Category

  • Antineoplastic Agent, Antimetabolite
  • Antineoplastic Agent, Purine

Medication Safety Issues

Sound-alike/look-alike issues:

Mercaptopurine may be confused with methotrexate

Purinethol [DSC] may be confused with propylthiouracil

High alert medication:

This medication is in a class the Institute for Safe Medication Practices (ISMP) includes among its list of drug classes which have a heightened risk of causing significant patient harm when used in error.

International issues:

Mercaptopurine may be confused with mercaptamine [multiple international markets]

Other safety concerns:

To avoid potentially serious dosage errors, the terms “6-mercaptopurine” or “6-MP” should be avoided; use of these terms has been associated with sixfold overdosages.

Azathioprine is metabolized to mercaptopurine; concurrent use of these commercially-available products has resulted in profound myelosuppression.

This item requires a subscription. For full access to this content, please log in to an existing user account or purchase an individual subscription. If you have an active subscription and appear logged in (your name appears in the upper right corner), but you cannot access content, please click the “Log Out” option under your name and log back in.
Close Modal

or Create an Account

Close Modal
Close Modal