Prescription drug

Where is Trihexyphenidyl made?

7 companies sell it under their own name and 6 repackagers rebottle it. Their labels name 7 factories in the United States and India.

United States 6India 1
United States: 6India: 1

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Richmond Pharmaceuticals, Inc.2 mg, 5 mg · NDC 54738-554, 54738-555 Generics Bidco II LLC d/b/a Prinston LaboratoriesMakes it, packages it and labels it Charlotte, NC, United StatesProblems found, fixed voluntarilySep 2025
Generics Bidco II LLC d/b/a Prinston LaboratoriesMakes it and tests it Charlotte, NC, United StatesProblems found, fixed voluntarilySep 2025
Vintage PharmaceuticalsMakes it, packages it and labels it Location not on fileNot inspected on record
Akorn2 mg per 5 mL · NDC 61748-054 Mikart, LLCMakes it and packages it Atlanta, GA, United StatesNo problems foundAug 2026
Chartwell RX, LLC.2 mg per 5 mL · NDC 62135-065 Chartwell Pharmaceuticals Carmel, LLC.Makes it Carmel, NY, United StatesProblems found, fixed voluntarilyOct 2022
Natco Pharma Limited2 mg, 5 mg · NDC 63850-0021, 63850-0022 Natco Pharma LimitedMakes it Rangareddy, IndiaProblems found, fixed voluntarilyJun 2025
Novitium Pharma LLC2 mg, 5 mg · NDC 70954-212, 70954-211 Novitium Pharma LLCMakes it and packages it East Windsor, NJ, United StatesNo problems foundFeb 2024
Pharmaceutical Associates, Inc.2 mg per 5 mL · NDC 0121-0658 PAI Holdings, LLC dba Pharmaceutical Associates, Inc. and dba PAI PharmaMakes it Greenville, SC, United StatesNo problems foundAug 2025
Actavis Pharma, Inc.2 mg, 5 mg · NDC 0591-5335, 0591-5337The label doesn't name the factory. Plants this company names for other drugs

Repackaged by

These companies buy Trihexyphenidyl in bulk and rebottle it, often for mail-order, clinic or hospital pharmacies. If your bottle shows one of these names, open its NDC to see who made the pills inside.