Montelukast sodium tablets, 10 mg, 30-count bottle, Rx Only, Manufactured for: Camber Pharmaceuticals, Inc., Piscataway, NJ 08854, By: HETERO Labs Limited, Unit V, Polepally, Jadcherla, Mahaboob Nagar - 509 301, India, NDC 31722-726-30
Discoloration: the firm received a complaint of a sealed bottle in which tablets inside had blue spots and a blue powder inside the bottle.
US Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0623-2017