CLASS III Drug recall · Reported 16 Nov 2016 · FDA Enforcement Report

Clonazepam Tablets, USP, 1.0 mg recalled by Mylan Institutional, Inc.

Mylan Institutional, Inc. (d.b.a. UDL Laboratories) is recalling Clonazepam Tablets, USP, 1.0 mg, distributed nationwide in the US. The recall was initiated on 28 Sep 2016 and the FDA has classified it as Class III.

Check your package

Lot, batch or date codesLot#: 3061784, Exp 11/16; 3067656, Exp 12/16; 3074902, Exp 08/17
Quantity recalled46,472 unit dose blister cards (10 cards of 10 tablets each)

Check the lot number on your package against the affected lots. If it matches, contact the pharmacy that dispensed it or your prescriber before stopping any medication.

Recall details

Recall number
D-0136-2017
FDA event ID
75295
Classification
Class III
Status
Terminated
Recall initiated
28 Sep 2016
FDA classified
10 Nov 2016
Reported
16 Nov 2016
Type
Voluntary: Firm initiated
Customers notified by
Letter
Reason category
Potency & Assay

Timeline

28 Sep 2016Recall initiated by company
10 Nov 2016Classified by FDA+43 days
16 Nov 2016Published in enforcement report+6 days

Companies usually start a recall weeks before the FDA classifies and publishes it; the gap above is that lag.

Reason for recall

Failed Impurities/Degradation Specifications: out of specification result for Clonazepam Related Compound (RC) A (a known impurity) at 16 month timepoint.

Potency and specification recalls happen when a batch tests outside its approved limits for strength, purity or dissolution, which can mean the dose delivered is higher or lower than labelled.

Product as listed by the FDA

Clonazepam Tablets, USP, 1.0 mg, packaged in a 100- count unit dose box of 10 x 10 blister cards, Rx only, Manufactured by Mylan Pharmaceuticals Inc, Morgantown, WV, 26505, NDC 51079-882-20

Where it was distributed

Nationwide

Nationwide

Questions about this recall

Why was it recalled?

Failed Impurities/Degradation Specifications: out of specification result for Clonazepam Related Compound (RC) A (a known impurity) at 16 month timepoint.

Which lots are affected?

Lot#: 3061784, Exp 11/16; 3067656, Exp 12/16; 3074902, Exp 08/17

Where was it sold?

Nationwide

What should I do if I have it?

Check the lot number on your package against the affected lots. If it matches, contact the pharmacy that dispensed it or your prescriber before stopping any medication.

What does Class III mean?

Class III recalls are for products unlikely to cause any adverse health consequence, usually labelling or quality issues.

Read the official FDA notice · Source record retrieved 26 Sep 2026. The FDA describes openFDA data as unvalidated; the official notice takes precedence. This page reports the record and gives no medical advice.

Other products in this recall event

1 other product · FDA event 75295

More recalls from Mylan Institutional, Inc. (d.b.a. UDL Laboratories)

All 22

Other Clonazepam recalls

All 10