Errin (norethindrone tablets, USP), 0.35 mg, 6 blister cards per carton, 28 tablets each, 28 day regimen, Rx Only, Teva Pharmaceuticals USA, Sellersville, PA 18960, NDC 0555-0344-58
Failed Impurity/Degradation Specification; an impurity identified as N-Butyl-Benzene Sulfonamide (NBBS) was detected during impurity testing
Nationwide and Puerto Rico
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-689-2013