Diltiazem Hydrochloride Extended-Release Capsules, USP 90mg, Twice-a-Day Dosage, Rx Only, 100 Capsules per bottle, Mfd for: Northstar Rx LLC, Memphis, TN, Mfd by: Glenmark Pharmaceuticals Limited, Pithampur, Madhya Pradesh India, NDC 16714-554-01.
cGMP Deviations: Presence of N-nitroso-Desmethyl-Diltiazem impurity above FDA recommended interim limit.
Nationwide in the USA
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0097-2025