Clonazepam
70 NDCs across 13 manufacturers|67 Generic,3 Brand
Clonazepam is used to treat bipolar disorder, dysarthria, myoclonic epilepsies, absence epilepsy, lennox gastaut syndrome and neuralgia, 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 Sep 10, 1996. FDA's Orange Book lists 47 AB-rated (therapeutically equivalent) products for this ingredient. In 2024, Medicare Part D spent $74 million on Clonazepam across 8.9 million claims for 1.3 million beneficiaries.
Clonazepam is available as 70 NDCs from 13 manufacturers (67 generic, 3 brand), with NADAC prices from $0.02 to $4.26 per EA — the most expensive product costs about 216× the cheapest. Every pack size and labeler in this drug market is compared side-by-side below.
Active FDA drug shortage
40 Clonazepam presentations are currently listed in FDA's drug shortage database (first posted Mar 10, 2023). Shortages can move NADAC prices in the following weeks.
Total NDCs
70
67G / 3B
Manufacturers
13
competing in market
Price Spread
$0.02 – $4.26
per EA
7d Activity
avg +1.3% WoW · of 70 NDCs
Market Price Trend
Monthly average NADAC per unit, split by generic and brand.
Manufacturer Breakdown
13 manufacturers producing CLONAZEPAM(1 pricing outlier)
Frequently Asked Questions
What is Clonazepam used to treat?
Clonazepam is used to treat bipolar disorder, dysarthria, myoclonic epilepsies, absence epilepsy, lennox gastaut syndrome and neuralgia, per the National Library of Medicine's MED-RT classification.
When did Clonazepam become available as a generic?
FDA approved the first generic Clonazepam (ANDA) on Sep 10, 1996. The Orange Book currently lists 47 AB-rated products for this ingredient, meaning FDA considers them therapeutically equivalent to the brand.
How much does Medicare spend on Clonazepam?
In 2024, Medicare Part D spent $74 million on Clonazepam across 8.9 million claims for 1.3 million beneficiaries.
Is Clonazepam in shortage?
Yes — FDA's drug shortage database currently lists 40 Clonazepam presentations with status "Current", first posted Mar 10, 2023.
How many Clonazepam products are on the market?
The Clonazepam drug market contains 70 NDCs from 13 manufacturers — 67 generic and 3 brand products.
What is the price range for Clonazepam?
NADAC reference prices for Clonazepam range from $0.0197 to $4.2603 per EA — the most expensive product costs about 216× the cheapest.
Is generic Clonazepam cheaper than brand?
The average generic NADAC for Clonazepam is $0.1517 per EA, versus $3.3272 for brand-labeled products — brand versions average about 22× the generic price.
Which manufacturers make Clonazepam?
13 manufacturers list Clonazepam in NADAC. Ranked by number of NDCs, the largest are Teva Pharmaceuticals USA Inc. (11), Advagen Pharma Ltd. (9), Solco Healthcare US LLC (8), NorthStar Rx LLC (7), Aurobindo Pharma Limited (6).
How has the price of Clonazepam changed recently?
Over the past 7 days, 64 Clonazepam NDCs rose and 3 fell, with a market-wide average change of +1.3%.