Dihydrofolate Reductase Inhibitor Antibacterial, Polymyxin-class Antibacterial

Where is Polymyxin B and Trimethoprim made?

4 companies sell it under their own name and 13 repackagers rebottle it. Their labels name 2 factories in the United States and India.

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

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Akorn1 mg per 1 mL / 10000 [USP'U] per 1 mL · NDC 17478-703 AkornMakes it, tests it, packages it, labels it and sterilizes it Location not on fileNot inspected on record
AkornMakes it and tests it Location not on fileNot inspected on record
Bausch & Lomb Incorporated1 mg per 1 mL / 10000 [USP'U] per 1 mL · NDC 24208-315 Bausch & Lomb IncorporatedMakes it Tampa, FL, United StatesSerious problems, FDA actionMar 2026
Somerset Therapeutics, LLC1 mg per 1 mL / 10000 [iU] per 1 mL · NDC 70069-311 Somerset Therapeutics Private LimitedMakes it, tests it, packages it and labels it Bengaluru, IndiaSerious problems, FDA actionFeb 2025
Sandoz Inc.1 mg per 1 mL / 10000 [USP'U] per 1 mL · NDC 61314-628The label doesn't name the factory. Plants this company names for other drugs

Repackaged by

These companies buy Polymyxin B and Trimethoprim 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.