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Unrated Drug recall · FDA · Published September 28, 2016

Mylan Clonazepam Tablets Recall: Impurity Risk in 1.0 mg Dose

Mylan recalls 1.0 mg Clonazepam tablets with impurity issues. Affected lots expired by 2017. Stop using if you have these specific packaging details.

🇺🇸 FDA recall #D-0136-2017DrugMylan ›
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Contact the company

Recalling firmMylan Institutional, Inc. (d.b.a. UDL Laboratories)1718 Northrock Ct · Rockford, IL 61103-1201
✎ GovInfoNow plain-language explainer

What happened, in plain English

Mylan is recalling 1.0 mg Clonazepam tablets that may contain an impurity. This could pose a risk to users, though the exact danger level isn't specified in the recall notice. Read more at govinfonow.com/recall/42304-mylan-clonazepam-tablets-recall-impurity-risk-in-1-0-mg.

Source Summary by GovInfoNow · govinfonow.com/recall/42304-mylan-clonazepam-tablets-recall-impurity-risk-in-1-0-mg · Updated October 9, 2026 · FDA enforcement record: FDA #D-0136-2017

Cite this page

“Mylan Clonazepam Tablets Recall: Impurity Risk in 1.0 mg Dose.” GovInfoNow, updated October 9, 2026. https://govinfonow.com/recall/42304-mylan-clonazepam-tablets-recall-impurity-risk-in-1-0-mg. Based on FDA recall #D-0136-2017 (https://api.fda.gov/drug/enforcement.json?search=recall_number:%22D-0136-2017%22&limit=1).

Why it’s dangerous

The tablets may contain a known impurity (Clonazepam Related Compound A) that exceeds safe levels at 16 months. This impurity could potentially cause health issues, though the exact risk isn't detailed in the recall.

Who’s affected

Prescription users of the 1.0 mg Clonazepam tablets with the specific lot numbers and expiration dates listed. People who have these tablets and are taking them for medical reasons are most at risk.

How to tell if you have this one

Check for the 100-count unit dose box with 10 x 10 blister cards. Look for lot numbers 3061784 (exp 11/16), 3067656 (exp 12/16), or 3074902 (exp 08/17).

  • Brand
    Mylan
  • Category
    Drug
FDA recall event · 2 products

All 2 products in this recall

FDA lists each product line separately under one recall event. Check your product description, lot or code numbers against each row. Every row shares the hazard and remedy on this page.

  • Classification
    Class III
  • Status
    Terminated
  • Distribution
    Nationwide
Recall numberProduct, codes & lotsQuantity
D-0135-2017Clonazepam Tablets, USP, 0.5 mg, packaged in a)100- count unit dose box of 10 x 10 blister cards (NDC 51079-881-20) and b) 300-count unit dose box of 10 x 30 punch cards (NDC 51079-881-56), Rx only, Manufactured by Mylan Pharmaceuticals Inc, Morgantown, WV, 26505; Lot#: a) 3061779, Exp 11/16; 3071447, Exp 04/17; b)3071789, Exp 04/171,182 unit dose cards of 300 (10 punch cards of 30 tablets each) and 52,618 unit dose blister cards (10 cards of 10 tablets each)
D-0136-2017Clonazepam 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; Lot#: 3061784, Exp 11/16; 3067656, Exp 12/16; 3074902, Exp 08/1746,472 unit dose blister cards (10 cards of 10 tablets each)
Based on the official FDA remedy

What to do — step by step

  1. Check Product Details

    Identify the lot number and expiration date on the packaging to confirm if your tablets are affected.

Where it went and when

Where it was distributed

Distributed nationwide.

Alaska: yesAKMaine: yesMEVermont: yesVTNew Hampshire: yesNHWashington: yesWAIdaho: yesIDMontana: yesMTNorth Dakota: yesNDMinnesota: yesMNIllinois: yesILWisconsin: yesWIMichigan: yesMINew York: yesNYRhode Island: yesRIMassachusetts: yesMAOregon: yesORNevada: yesNVWyoming: yesWYSouth Dakota: yesSDIowa: yesIAIndiana: yesINOhio: yesOHPennsylvania: yesPANew Jersey: yesNJConnecticut: yesCTCalifornia: yesCAUtah: yesUTColorado: yesCONebraska: yesNEMissouri: yesMOKentucky: yesKYWest Virginia: yesWVVirginia: yesVAMaryland: yesMDDelaware: yesDEArizona: yesAZNew Mexico: yesNMKansas: yesKSArkansas: yesARTennessee: yesTNNorth Carolina: yesNCSouth Carolina: yesSCDistrict of Columbia: yesDCOklahoma: yesOKLouisiana: yesLAMississippi: yesMSAlabama: yesALGeorgia: yesGAHawaii: yesHITexas: yesTXFlorida: yesFL

FDA distribution: “Nationwide” States read from FDA’s own wording; “not listed” means the notice does not name it.

Distributed nationwide.

Recall timeline

FDA terminated this recall 23 months after the firm started it.

1. Firm started the recall: Sep 28, 201612. FDA classified it Class III: Nov 10, 201623. Published in FDA’s Enforcement Report: Nov 16, 201634. FDA terminated the recall: Aug 28, 2018420162018
  1. Firm started the recall
  2. FDA classified it Class III
  3. Published in FDA’s Enforcement Report
  4. FDA terminated the recall

Dates from the agency record only; steps without a date are left out.

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Where this comes from

The facts (hazard, remedy, dates, manufacturer) are pulled from the official FDA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.

  • Official source: FDA Recall #D-0136-2017 (September 28, 2016) — FDA publishes no per-recall page; this is the official machine-readable enforcement record. Search FDA recalls for D-0136-2017 to see it in context.
  • Plain-language summary written by qwen3:4b on October 9, 2026, from the official record above. Not reviewed by a person — if it conflicts with the FDA notice, the notice is correct. Report an error on this page.
  • GovInfoNow is an independent service and is not a government agency. We republish official FDA recall data; we don’t issue, amend or administer recalls.
GovInfoNow is an independent guide. We are not FDA or any government agency. Always confirm details with the official recall.Data: CPSC · FDA · NHTSA · USDA