Azathioprine
16 NDCs across 8 manufacturers|15 Generic,1 Brand
Azathioprine is used to treat rheumatoid arthritis, ulcerative colitis, crohn disease, systemic lupus erythematosus, multiple sclerosis and purpura, thrombocytopenic, idiopathic, per the National Library of Medicine's MED-RT classification.
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The brand product was first FDA-approved before 1982, and the first generic was approved Feb 16, 1996. FDA's Orange Book lists 17 AB-rated (therapeutically equivalent) products for this ingredient. In 2024, Medicare Part D spent $20 million on Azathioprine across 398,000 claims for 93,000 beneficiaries.
Azathioprine is available as 16 NDCs from 8 manufacturers (15 generic, 1 brand), with NADAC prices from $0.12 to $10.48 per EA — the most expensive product costs about 84× the cheapest. Every pack size and labeler in this drug market is compared side-by-side below.
Total NDCs
16
15G / 1B
Manufacturers
8
competing in market
Price Spread
$0.12 – $10.48
per EA
7d Activity
avg +1.3% WoW · of 16 NDCs
Market Price Trend
Monthly average NADAC per unit, split by generic and brand.
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Top supplier
Amneal Pharmaceuticals NY LLC manufacturer profile
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Lead class
Purine Antimetabolite class view
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Trend hub
Latest market trends
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Guide
How to interpret NADAC
Review the benchmark methodology behind the prices and spreads shown on this market page.
Manufacturer Breakdown
8 manufacturers producing AZATHIOPRINE
| Drug ↕ | Price | 7d Change ↕ |
|---|---|---|
AZATHIOPRINE 75 MG TABLET | $10.4805 per EA | — |
IMURAN 50 MG TABLET | $8.8907 per EA | — |
AZATHIOPRINE 75 MG TABLET | $7.6566 per EA | +0.10% |
AZATHIOPRINE 75 MG TABLET | $7.6566 per EA | +0.10% |
AZATHIOPRINE 100 MG TABLET | $4.7900 per EA | — |
AZATHIOPRINE 100 MG TABLET | $3.3146 per EA | +9.25% |
AZATHIOPRINE 100 MG TABLET | $3.3146 per EA | +9.25% |
AZATHIOPRINE 50 MG TABLET | $0.3005 per EA | — |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
AZATHIOPRINE 50 MG TABLET | $0.1243 per EA | -0.46% |
Frequently Asked Questions
What is Azathioprine used to treat?
Azathioprine is used to treat rheumatoid arthritis, ulcerative colitis, crohn disease, systemic lupus erythematosus, multiple sclerosis and purpura, thrombocytopenic, idiopathic, per the National Library of Medicine's MED-RT classification.
When did Azathioprine become available as a generic?
FDA approved the first generic Azathioprine (ANDA) on Feb 16, 1996. The Orange Book currently lists 17 AB-rated products for this ingredient, meaning FDA considers them therapeutically equivalent to the brand.
How much does Medicare spend on Azathioprine?
In 2024, Medicare Part D spent $20 million on Azathioprine across 398,000 claims for 93,000 beneficiaries.
How many Azathioprine products are on the market?
The Azathioprine drug market contains 16 NDCs from 8 manufacturers — 15 generic and 1 brand product.
What is the price range for Azathioprine?
NADAC reference prices for Azathioprine range from $0.1243 to $10.4805 per EA — the most expensive product costs about 84× the cheapest.
Is generic Azathioprine cheaper than brand?
The average generic NADAC for Azathioprine is $2.5672 per EA, versus $8.8907 for brand-labeled products — brand versions average about 3.5× the generic price.
Which manufacturers make Azathioprine?
8 manufacturers list Azathioprine in NADAC. Ranked by number of NDCs, the largest are Amneal Pharmaceuticals NY LLC (4), Zydus Pharmaceuticals (USA) Inc. (4), Oceanside Pharmaceuticals (2), Ascend Laboratories, LLC (2), Sebela Pharmaceuticals Inc. (1).
How has the price of Azathioprine changed recently?
Over the past 7 days, 4 Azathioprine NDCs rose and 8 fell, with a market-wide average change of +1.3%.