Hydrocodone Polistirex and Chlorpheniramine Polistirex Extended-Release Suspension, (equivalent to 10 mg hydrocodone bitartrate and 8 mg chlorpheniramine maleate per 5 mL), 16 fl. oz. (473 mL) bottle, Rx only, Manufactured by: Tris Pharma, Inc., Monmouth Junction, NJ 08852, NDC 27808-086-02.
Superpotent Drug and Failed Stability Specifications: High out-of-specification results for the active ingredients, hydrocodone and chlorpheniramine, as well as high out-of-specification results for the preservatives.
Nationwide in the USA and Puerto Rico
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1517-2019