Independent register of U.S. FDA drug recalls · updated Oct 10, 2026
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Impurities & degradation products

An impurity or degradation product above its limit - other than nitrosamines. Unexpected substances in a batch can make it unsafe or less effective, even when the active ingredient is present.

704 FDA drug recalls with this cause, newest first.

Every drug has a specification for how much of each impurity or breakdown product it may contain. These recalls are lots that exceeded one of those limits - often a related compound formed during manufacturing or storage, or an out-of-specification result found during routine stability testing. Nitrosamine impurities are common enough to get their own category; everything else lands here.

Class II · Moderate risk

CVS Allergy Relief

Failed Impurities/Degradation Specifications; Out of specification result obtained for impurity A during stability testing.

Terminated Impurity / degradation Perrigo Company PLC NDC 59779-425-53 D-0335-2022
Class II · Moderate risk

CAREONE Allergy Relief

Failed Impurities/Degradation Specifications; Out of specification result obtained for impurity A during stability testing.

Terminated Impurity / degradation Perrigo Company PLC NDC 41520-229-39 D-0334-2022
Class II · Moderate risk

berkley jensen

Failed Impurities/Degradation Specifications; Out of specification result obtained for impurity A during stability testing.

Terminated Impurity / degradation Perrigo Company PLC D-0333-2022
Class II · Moderate risk

basic+care

Failed Impurities/Degradation Specifications; Out of specification result obtained for impurity A during stability testing.

Terminated Impurity / degradation Perrigo Company PLC NDC 0113-7425-78 D-0332-2022
Class II · Moderate risk

basic+care

Failed Impurities/Degradation Specifications; Out of specification result obtained for impurity A during stability testing.

Terminated Impurity / degradation Perrigo Company PLC NDC 0113-7571-47 D-0331-2022
Class II · Moderate risk

amazon

Failed Impurities/Degradation Specifications; Out of specification result obtained for impurity A during stability testing.

Terminated Impurity / degradation Perrigo Company PLC D-0330-2022
Class II · Moderate risk

GoodSense Aller.Ease

Failed Impurities/Degradation Specifications; Out of specification result obtained for impurity A during stability testing.

Terminated Impurity / degradation Perrigo Company PLC D-0329-2022
Class III · Low risk

Phytonadione Tablets 5 mg

Failed Impurities Specification: Out of specification when measuring the impurity degradant D level.

Terminated Impurity / degradation AVKARE Inc. NDC 50268-661-13 D-0631-2021
Class III · Low risk

Atorvastatin Calcium Tablets

Failed Impurities/Degradation Specifications: due to presence of ATV cyclo IP and FP impurities

Terminated Impurity / degradation Dr. Reddy's Laboratories, Inc. NDC 55111-121-05 D-0629-2021
Class III · Low risk

Atorvastatin Calcium Tablets

Failed Impurities -Degradation Specifications:due to presence of ATV cyclo IP and FP impurities

Terminated Impurity / degradation Dr. Reddy's Laboratories, Inc. NDC 55111-121-05 D-0599-2021
Class II · Moderate risk

Cephalexin for Oral Suspension

Failed Impurities/degradation specifications: Repackager recall due to Out of Specification detected by manufacturer for Individual Unidentified Impurity found during related substance test analysis of Cephalexin

Ongoing Impurity / degradation Preferred Pharmaceuticals, Inc. D-0342-2021
Class II · Moderate risk

Omeprazole Delayed Release Capsules

Failed Impurities/Degradation Specifications: Out of Specification results obtained for unknown impurities during stability testing by manufacturer

Terminated Impurity / degradation Golden State Medical Supply Inc. NDC 51407-129-10 D-0312-2021
Class II · Moderate risk

Omeprazole Delayed-Release Capsules

Failed Impurities/Degradation Specifications: Out-of-Specification results obtained for unknown impurities during stability testing.

Terminated Impurity / degradation Breckenridge Pharmaceutical, Inc NDC 51991-643-10 D-0308-2021
Class II · Moderate risk

Gabapentin Oral Solution

Failed Impurities/Degradation Specifications; out of specification for unknown impurity observed during 6 month stability testing

Terminated Impurity / degradation Akorn, Inc. D-0301-2021
Class III · Low risk

Romidepsin Injecton

Failed Impurity/Degradation Specifications: Out-of-specifications results observed for impurities during stability testing.

Terminated Impurity / degradation Teva Pharmaceuticals USA NDC 0703-4004-01 D-0309-2021