February 22, 2017
Recommended Topic Related To:


"SAN DIEGO, California ” A novel liposomal formulation of cytarabine and daunorubicin, known as CPX-351 (Vyxeos, Jazz Pharmaceuticals), has again been shown to be superior to a standard version of this combination, the 7+3 regimen of cytara"...



(mercaptopurine) Oral Suspension


Mercaptopurine, a nucleoside metabolic inhibitor, known chemically as 1,7-dihydro-6H-purine-6-thione monohydrate, is an analogue of the purine bases adenine and hypoxanthine. Mercaptopurine is a yellow, odorless or practically odorless, crystalline powder with a molecular formula of C5H4N4S•H2O and a molecular weight of 170.20 as a monohydrate. The structural formula is:

PURIXAN® (mercaptopurine) Structural Formula Illustration

PURIXAN (mercaptopurine) oral suspension is supplied for oral administration and contains 2000 mg/100 Ml (20 mg/mL) of mercaptopurine. The suspension also contains the following inactive ingredients: xanthan gum, aspartame, concentrated raspberry juice, sucrose, methyl parahydroxybenzoate, propyl parahydroxybenzoate and purified water. PURIXAN is a pink to brown viscous suspension. In addition, a press-in bottle adapter and two oral dispensing syringes (one 1 mL and one 5 mL) are provided.

Last reviewed on RxList: 4/12/2016
This monograph has been modified to include the generic and brand name in many instances.

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Women's Health

Find out what women really need.