FDA label
What is mercaptopurine used for?
The FDA-approved uses of mercaptopurine, quoted from the Indications and Usage section of its DailyMed label.
Source: DailyMed SPL label file dated 2026-10-23. Publisher page
The FDA label for mercaptopurine (suspension) lists this use: Acute Lymphoblastic Leukemia.
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Mercaptopurine, suspension
Indications and Usage, quoted from the label by Hikma Pharmaceuticals USA Inc. (ANDA216418). Cross-references to other label sections are left out.
Acute Lymphoblastic Leukemia
Mercaptopurine is indicated for the treatment of patients with acute lymphoblastic leukemia (ALL) as part of a combination chemotherapy maintenance regimen.
Source: DailyMed label, set id 0a366cf3-91f0-4aa4-8f34-a7a27cad8f15, version 3, effective July 22, 2026. NDC 0054-0879, one of 2 listings for this product.
Mercaptopurine, tablet
Indications and Usage, quoted from the label by Hikma Pharmaceuticals USA Inc. (ANDA040528). Cross-references to other label sections are left out.
Acute Lymphoblastic Leukemia
Mercaptopurine Tablets are indicated for treatment of adult and pediatric patients with acute lymphoblastic leukemia (ALL) as part of a combination chemotherapy maintenance regimen.
Source: DailyMed label, set id c3b5b8b0-bc5c-4ce9-bbdc-febba60c2658, version 14, effective October 1, 2024. NDC 0054-4581, one of 2 listings for this product.
Questions
What is mercaptopurine used for?
The FDA label for mercaptopurine (suspension) lists this use: Acute Lymphoblastic Leukemia.
What drug class is mercaptopurine?
FDA lists mercaptopurine in the Nucleoside Metabolic Inhibitor established pharmacologic class.
Does this page cover off-label uses or dosing?
No. This page shows only the Indications and Usage section of the FDA label. Ask a pharmacist or prescriber about dosing.