Metformin Hydrochloride Extended-Release (AVKARE) – NDMA Impurity (2020)
Class II: A situation in which use of, or exposure to, a violative product may cause temporary or medically reversible adverse health consequences or where the probability of serious adverse health consequences is remote
Class II recall indicates potential for temporary health effects.
This AI-generated summary is provided for general informational purposes only and is derived from publicly available recall notices. It supplements but does not replace official agency classifications or safety instructions.
Check Your Product
According to the U.S. Food and Drug Administration (FDA)
Product
Metformin Hydrochloride Extended-Release Tablets, USP 500 mg, a) 50 count (NDC 50268-531-15); b) 90 count (NDC 42291-610-90); c) 180 count (NDC 42291-610-18); d) 360 count (NDC 42291-610-36); e) 1000 count (NDC 42291-610-10) bottles, Rx Only, Manufactured for: AvKARE, Inc. Pulaski, TN 38478
Brand
AVKARE Inc.
Lot Codes / Batch Numbers
Lots: a) 23537 Exp. 06/30/2020, 23613 Exp. 06/30/2020, 24083 Exp. 06/30/2020, 24291 Exp. 06/30/2020, 24725 Exp. 06/30/2020, 25637 Exp. 06/30/2021, 25751 Exp. 07/31/2021, b) 22073 Exp. 06/30/2020, 22460 Exp. 07/31/2020, 22539 Exp. 09/30/2020, 22540 Exp. 09/30/2020, 23299 Exp. 01/31/2021, 23300 Exp. 01/31/2021, 23484 Exp. 01/31/2021, 23917 Exp. 03/31/2021, 24477 Exp. 06/30/2021, 24514 Exp. 06/30/2021, 24945 Exp. 08/31/2021, 25591 Exp. 10/31/2021, 25590 Exp. 10/31/2021, 26004 Exp. 11/30/2021, 26322 Exp. 01/31/2021, 26339 Exp. 02/28/2022, 26520 Exp. 01/31/2022, 26588 Exp. 02/28/2022, c) 22202 Exp. 06/30/2020, 22541 Exp. 09/30/2020, 23293 Exp. 01/31/2021, 23475 Exp. 01/31/2021, 23658 Exp. 03/31/2021, 23979 Exp. 03/31/2021, 24303 Exp. 06/30/2021, 24476 Exp. 06/30/2021, 24550 Exp. 06/30/2021, 24804 Exp. 07/31/2021, 25380 Exp. 08/31/2021, 25592 Exp. 10/31/2021, 25736 Exp. 10/31/2021, 26005 Exp. 11/30/2021, 26006 Exp. 10/31/2021, 26326 Exp. 01/31/2022, 26483 Exp. 02/28/2022, 26484 Exp. 02/28/2022, 26589 Exp. 02/28/2022, d) 22430 Exp. 06/30/2020, 22538 Exp. 09/30/2020, 22638 Exp. 09/30/2020, 22639 Exp. 09/30/2020, 23292 Exp. 01/31/2021, 23291 Exp. 01/31/2021, 23344 Exp. 01/31/2021, 23631 Exp. 01/31/2021, 23707 Exp. 03/31/2021, 23706 Exp. 03/31/2021, 24164 Exp. 05/31/2021, 24165 Exp. 05/31/2021, 24340 Exp. 06/30/2021, 24474 Exp. 06/30/2021, 24475 Exp. 06/30/2021, 24548 Exp. 06/30/2021, 24738 Exp. 07/31/2021, 24739 Exp. 07/31/2021, 24905 Exp. 07/31/2021, 24906 Exp. 08/31/2021, 25379 Exp. 08/31/2021, 25378 Exp. 08/31/2021, 25627 Exp. 10/31/2021, 25664 Exp. 10/31/2021, 26131 Exp. 01/31/2022, 26340 Exp. 01/31/2022, 26341 Exp. 02/28/2022, 26590 Exp. 02/28/2022, 26591 Exp. 02/28/2022, e) HH01618A Exp. 07/31/2020, HH01718A Exp. 07/31/2020, HH01818A Exp. 07/31/2020, HH01918A Exp. 07/31/2020, HH02018A Exp. 08/31/2020, HH05018A Exp. 08/31/2020, HH05118A Exp. 08/31/2020, HH05218A Exp. 08/31/2020, HH05318A Exp. 08/31/2020, HH05418A Exp. 08/31/2020, HH05518A Exp. 08/31/2020, HH05618A Exp. 08/31/2020, HH05718A Exp. 08/31/2020, HH05818A Exp. 08/31/2020, HH05918A Exp. 08/31/2020, HH06018A Exp. 08/31/2020, HH06118A Exp. 08/31/2020, HH06218A Exp. 08/31/2020, HH06318A Exp. 08/31/2020, HH06418A Exp. 08/31/2020, HK09818A Exp. 10/31/2020, HK09918A Exp. 10/31/2020, HK10018A Exp. 10/31/2020, HK10118A Exp. 10/31/2020, HK10218A Exp. 10/31/2020, HK13618A Exp. 11/30/2020, HB10419A Exp. 03/31/2021, HC00119A Exp. 03/31/2021, HC00219A Exp. 03/31/2021, HC00319A Exp. 03/31/2021, HC00419A Exp. 03/31/2021, HD01619A Exp. 04/30/2021, HD01719A Exp. 04/30/2021, HD01819A Exp. 04/30/2021, HD01919A Exp. 04/30/2021, HD02019A Exp. 04/30/2021, HD09319B Exp. 04/30/2021, HD09419A Exp. 04/30/2021, HD09519A Exp. 04/30/2021, HD09619A Exp. 04/30/2021, HD09719A Exp. 04/30/2021, HD09819A Exp. 04/30/2021, HD09919A Exp. 04/30/2021, HE00919A Exp. 04/30/2021, HE01019A Exp. 04/30/2021, HE01119A Exp. 04/30/2021, HE09419A Exp. 05/31/2021, HE09519A Exp. 05/31/2021, HE13119A Exp. 05/31/2021, HE13219A Exp. 05/31/2021, HE13319A Exp. 05/31/2021, HE13419A Exp. 05/31/2021, HE13519A Exp. 05/31/2021, HE13619A Exp. 05/31/2021, HE13719A Exp. 05/31/2021, HE13819A Exp. 05/31/2021, HE13919A Exp. 05/31/2021, HE14019A Exp. 05/31/2021, HF01919A Exp. 05/31/2021, HF02019A Exp. 05/31/2021, HF02119A Exp. 05/31/2021, HG06019A Exp. 07/31/2021, HG06119A Exp. 07/31/2021, HG06219A Exp. 07/31/2021, HG06319A Exp. 07/31/2021, HG06419A Exp. 07/31/2021, HG06519A Exp. 07/31/2021, HG06619A Exp. 07/31/2021, HG06719A Exp. 07/31/2021, HG06819A Exp. 07/31/2021, HG06919A Exp. 07/31/2021, HH03419A Exp. 08/31/2021, HH03519A Exp. 08/31/2021, HH03619A Exp. 08/31/2021, HH03719A Exp. 08/31/2021, HH03819A Exp. 08/31/2021, HH03919A Exp. 08/31/2021, HH04019A Exp. 08/31/2021, HH04119A Exp. 08/31/2021, HH04219A Exp. 08/31/2021, HH04319A Exp. 08/31/2021, HH08319A Exp. 08/31/2021, HH08419A Exp. 08/31/2021, HH08519A Exp. 08/31/2021, HH08619A Exp. 08/31/2021, HH08719A Exp. 08/31/2021, HH08819A Exp. 08/31/2021, HH08919A Exp. 08/31/2021, HH09019A Exp. 08/31/2021, HH09119A Exp. 08/31/2021, HH09219A Exp. 08/31/2021, HL01119B Exp. 11/30/2021, HL01219A Exp. 11/30/2021, HA00520A Exp. 01/31/2022, HA00620A Exp. 01/31/2022, HA00720A Exp. 01/31/2022, HA00820A Exp. 01/31/2022, HA00920A Exp. 01/31/2022, HA01020A Exp. 01/31/2022, HA01120A Exp. 01/31/2022, HA01220A Exp. 01/31/2022, HB05720A Exp. 02/28/2022, HB05820A Exp. 02/28/2022, HB05920A Exp. 02/28/2022, HB06020A Exp. 02/28/2022, HB06120A Exp. 02/28/2022, HB06220A Exp. 02/28/2022, HB06320A Exp. 02/28/2022, HB06420A Exp. 02/28/2022, HB06520A Exp. 02/28/2022, HB06620A Exp. 02/28/2022
Products Sold
Lots: a) 23537 Exp. 06/30/2020, 23613 Exp. 06/30/2020, 24083 Exp. 06/30/2020, 24291 Exp. 06/30/2020, 24725 Exp. 06/30/2020, 25637 Exp. 06/30/2021, 25751 Exp. 07/31/2021; b) 22073 Exp. 06/30/2020, 22460 Exp. 07/31/2020, 22539 Exp. 09/30/2020, 22540 Exp. 09/30/2020, 23299 Exp. 01/31/2021, 23300 Exp. 01/31/2021, 23484 Exp. 01/31/2021, 23917 Exp. 03/31/2021, 24477 Exp. 06/30/2021, 24514 Exp. 06/30/2021, 24945 Exp. 08/31/2021, 25591 Exp. 10/31/2021, 25590 Exp. 10/31/2021, 26004 Exp. 11/30/2021, 26322 Exp. 01/31/2021, 26339 Exp. 02/28/2022, 26520 Exp. 01/31/2022, 26588 Exp. 02/28/2022; c) 22202 Exp. 06/30/2020, 22541 Exp. 09/30/2020, 23293 Exp. 01/31/2021, 23475 Exp. 01/31/2021, 23658 Exp. 03/31/2021, 23979 Exp. 03/31/2021, 24303 Exp. 06/30/2021, 24476 Exp. 06/30/2021, 24550 Exp. 06/30/2021, 24804 Exp. 07/31/2021, 25380 Exp. 08/31/2021, 25592 Exp. 10/31/2021, 25736 Exp. 10/31/2021, 26005 Exp. 11/30/2021, 26006 Exp. 10/31/2021, 26326 Exp. 01/31/2022, 26483 Exp. 02/28/2022, 26484 Exp. 02/28/2022,26589 Exp. 02/28/2022; d) 22430 Exp. 06/30/2020, 22538 Exp. 09/30/2020, 22638 Exp. 09/30/2020, 22639 Exp. 09/30/2020, 23292 Exp. 01/31/2021, 23291 Exp. 01/31/2021, 23344 Exp. 01/31/2021, 23631 Exp. 01/31/2021, 23707 Exp. 03/31/2021, 23706 Exp. 03/31/2021, 24164 Exp. 05/31/2021, 24165 Exp. 05/31/2021, 24340 Exp. 06/30/2021, 24474 Exp. 06/30/2021, 24475 Exp. 06/30/2021, 24548 Exp. 06/30/2021, 24738 Exp. 07/31/2021, 24739 Exp. 07/31/2021, 24905 Exp. 07/31/2021, 24906 Exp. 08/31/2021, 25379 Exp. 08/31/2021, 25378 Exp. 08/31/2021, 25627 Exp. 10/31/2021, 25664 Exp. 10/31/2021, 26131 Exp. 01/31/2022, 26340 Exp. 01/31/2022, 26341 Exp. 02/28/2022, 26590 Exp. 02/28/2022, 26591 Exp. 02/28/2022; e) HH01618A Exp. 07/31/2020, HH01718A Exp. 07/31/2020, HH01818A Exp. 07/31/2020, HH01918A Exp. 07/31/2020, HH02018A Exp. 08/31/2020, HH05018A Exp. 08/31/2020, HH05118A Exp. 08/31/2020, HH05218A Exp. 08/31/2020, HH05318A Exp. 08/31/2020, HH05418A Exp. 08/31/2020, HH05518A Exp. 08/31/2020, HH05618A Exp. 08/31/2020, HH05718A Exp. 08/31/2020, HH05818A Exp. 08/31/2020, HH05918A Exp. 08/31/2020, HH06018A Exp. 08/31/2020, HH06118A Exp. 08/31/2020, HH06218A Exp. 08/31/2020, HH06318A Exp. 08/31/2020, HH06418A Exp. 08/31/2020, HK09818A Exp. 10/31/2020, HK09918A Exp. 10/31/2020, HK10018A Exp. 10/31/2020, HK10118A Exp. 10/31/2020, HK10218A Exp. 10/31/2020, HK13618A Exp. 11/30/2020, HB10419A Exp. 03/31/2021, HC00119A Exp. 03/31/2021, HC00219A Exp. 03/31/2021, HC00319A Exp. 03/31/2021, HC00419A Exp. 03/31/2021, HD01619A Exp. 04/30/2021, HD01719A Exp. 04/30/2021, HD01819A Exp. 04/30/2021, HD01919A Exp. 04/30/2021, HD02019A Exp. 04/30/2021, HD09319B Exp. 04/30/2021, HD09419A Exp. 04/30/2021, HD09519A Exp. 04/30/2021, HD09619A Exp. 04/30/2021, HD09719A Exp. 04/30/2021, HD09819A Exp. 04/30/2021, HD09919A Exp. 04/30/2021, HE00919A Exp. 04/30/2021, HE01019A Exp. 04/30/2021, HE01119A Exp. 04/30/2021, HE09419A Exp. 05/31/2021, HE09519A Exp. 05/31/2021, HE13119A Exp. 05/31/2021, HE13219A Exp. 05/31/2021, HE13319A Exp. 05/31/2021, HE13419A Exp. 05/31/2021, HE13519A Exp. 05/31/2021, HE13619A Exp. 05/31/2021, HE13719A Exp. 05/31/2021, HE13819A Exp. 05/31/2021, HE13919A Exp. 05/31/2021, HE14019A Exp. 05/31/2021, HF01919A Exp. 05/31/2021, HF02019A Exp. 05/31/2021, HF02119A Exp. 05/31/2021, HG06019A Exp. 07/31/2021, HG06119A Exp. 07/31/2021, HG06219A Exp. 07/31/2021, HG06319A Exp. 07/31/2021, HG06419A Exp. 07/31/2021, HG06519A Exp. 07/31/2021, HG06619A Exp. 07/31/2021, HG06719A Exp. 07/31/2021, HG06819A Exp. 07/31/2021, HG06919A Exp. 07/31/2021, HH03419A Exp. 08/31/2021, HH03519A Exp. 08/31/2021, HH03619A Exp. 08/31/2021, HH03719A Exp. 08/31/2021, HH03819A Exp. 08/31/2021, HH03919A Exp. 08/31/2021, HH04019A Exp. 08/31/2021, HH04119A Exp. 08/31/2021, HH04219A Exp. 08/31/2021, HH04319A Exp. 08/31/2021, HH08319A Exp. 08/31/2021, HH08419A Exp. 08/31/2021, HH08519A Exp. 08/31/2021, HH08619A Exp. 08/31/2021, HH08719A Exp. 08/31/2021, HH08819A Exp. 08/31/2021, HH08919A Exp. 08/31/2021, HH09019A Exp. 08/31/2021, HH09119A Exp. 08/31/2021, HH09219A Exp. 08/31/2021, HL01119B Exp. 11/30/2021, HL01219A Exp. 11/30/2021, HA00520A Exp. 01/31/2022, HA00620A Exp. 01/31/2022, HA00720A Exp. 01/31/2022, HA00820A Exp. 01/31/2022, HA00920A Exp. 01/31/2022, HA01020A Exp. 01/31/2022, HA01120A Exp. 01/31/2022, HA01220A Exp. 01/31/2022, HB05720A Exp. 02/28/2022, HB05820A Exp. 02/28/2022, HB05920A Exp. 02/28/2022, HB06020A Exp. 02/28/2022, HB06120A Exp. 02/28/2022, HB06220A Exp. 02/28/2022, HB06320A Exp. 02/28/2022, HB06420A Exp. 02/28/2022, HB06520A Exp. 02/28/2022, HB06620A Exp. 02/28/2022
AVKARE Inc. is recalling Metformin Hydrochloride Extended-Release Tablets, USP 500 mg, a) 50 count (NDC 50268-531-15); b) 90 due to CGMP Deviations: FDA analysis detected N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level. This is a Class I recall, indicating a high risk of serious health consequences. Based on FDA drug enforcement report.
Summary derived from FDA notice
Reason for Recall
As stated by FDA
CGMP Deviations: FDA analysis detected N-Nitrosodimethylamine (NDMA) impurity above the acceptable intake level
Recommended Action
Per FDA guidance
Consumers should stop using the product and contact the recalling firm, their healthcare provider, or return it to the place of purchase.
Verify this information on the official source
For complete details and official instructions, check the U.S. Food and Drug Administration (FDA) directly.
View official FDA recall noticePage updated: Jan 7, 2026