Opioid Antagonist

Where is Naloxone made?

23 companies sell it under their own name and 11 repackagers rebottle it. Their labels name 18 factories in the United States, India and Taiwan.

United States 12India 5Taiwan 1
United States: 12India: 5Taiwan: 1

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Uswm, LLC Zimhi5 mg per 0.5 mL · NDC 78670-140 Alliance Medical Products, Inc. (dba Siegfried Irvine)Makes it Irvine, CA, United StatesProblems found, fixed voluntarilyNov 2025
Knoa Pharmaceuticals LLCMakes it Wilson, NC, United StatesProblems found, fixed voluntarilySep 2025
Noramco, LLCMakes the active ingredient Wilmington, DE, United StatesProblems found, fixed voluntarilyOct 2025
Phillips Medisize LLCMakes it, packages it and labels it Menomonie, WI, United StatesProblems found, fixed voluntarilyMar 2025
Baxter Healthcare Corporation0.4 mg per 1 mL, 1 mg per 1 mL · NDC 36000-310, 36000-308, 43066-142 Gland Pharma LimitedMakes it, tests it, packages it and labels it Hyderabad, IndiaProblems found, fixed voluntarilyJul 2024
UBI Pharma Inc.Makes it Hukou, TaiwanProblems found, fixed voluntarilyJun 2023
Hospira, Inc.0.4 mg per 1 mL · NDC 0409-1782, 0409-1215, 0409-1219 Hospira, Inc.Makes it, tests it, packages it and labels it Rocky Mount, NC, United StatesNo problems foundFeb 2025
Hospira, Inc.Makes it, tests it, packages it and labels it McPherson, KS, United StatesProblems found, fixed voluntarilyJan 2025
Akorn0.4 mg per 1 mL · NDC 17478-041, 17478-042 AkornMakes it, tests it and sterilizes it Location not on fileNot inspected on record
AuroMedics Pharma LLC0.4 mg per 1 mL, 1 mg per 1 mL · NDC 55150-328, 55150-327, 55150-345 Eugia Pharma Specialities LimitedMakes it, tests it and packages it Sangareddy, IndiaSerious problems, FDA actionFeb 2026
BPI Labs, LLC1 mg per 1 mL · NDC 54288-124 BPI Labs LLCMakes it and tests it Largo, FL, United StatesProblems found, fixed voluntarilyApr 2025
Dr. Reddy's Laboratories Inc.1 mg per 1 mL · NDC 43598-750 Dr.reddy's Laboratories LimitedMakes it and tests it Visakhapatnam, IndiaProblems found, fixed voluntarilyMay 2024
Fresenius Kabi, LLC0.4 mg per 1 mL, 1 mg per 1 mL · NDC 76045-114, 76045-112 Fresenius Kabi USA, LLCMakes it and tests it Wilson, NC, United StatesProblems found, fixed voluntarilyFeb 2026
Hikma Pharmaceuticals USA Inc.0.4 mg per 1 mL, 1 mg per 1 mL · NDC 0641-6132, 0641-6260, 0641-6193 +1 Hikma Pharmaceuticals USA Inc.Makes it, tests it, packages it and labels it Cherry Hill, NJ, United StatesNo problems foundMay 2026
Hikma Specialty USA Inc. Kloxxado8 mg per 0.1 mL · NDC 59467-679 West-Ward Columbus Inc.Makes it Columbus, OH, United StatesNo problems foundApr 2026
International Medication Systems, Ltd. Rextovy1 mg per 1 mL, 4 mg per 0.25 mL · NDC 76329-3469, 76329-1469, 76329-3369 +1 International Medication Systems, Ltd.Makes it, tests it, packages it and labels it South El Monte, CA, United StatesSerious problems, FDA actionDec 2025
Lifestar Pharma LLC.0.4 mg per 1 mL · NDC 70756-658, 70756-850 Mankind Pharma LimitedMakes it, tests it and packages it Sirmaur, IndiaProblems found, fixed voluntarilyFeb 2022
Northstar Rx LLC.0.4 mg per 1 mL · NDC 72603-590 Mankind Pharma LimitedMakes it, tests it and packages it Sirmaur, IndiaProblems found, fixed voluntarilyFeb 2022
Scienture LLC Rezenopy10 mg per 0.11 mL · NDC 83245-003 Summit Biosciences Inc.Makes it, tests it, packages it and labels it Lexington, KY, United StatesProblems found, fixed voluntarilyFeb 2025
Somerset Therapeutics, LLC0.4 mg per 1 mL · NDC 70069-071, 70069-072 Somerset Therapeutics Private LimitedMakes it, tests it, packages it and labels it Bengaluru, IndiaSerious problems, FDA actionFeb 2025
Civica, Inc.0.4 mg per 1 mL · NDC 72572-450The label doesn't name the factory. Plants this company names for other drugs
ENDO USA, Inc.1 mg per 1 mL · NDC 42023-224The label doesn't name the factory. Plants this company names for other drugs
Emergent Devices Inc. Narcan4 mg per 0.1 mL · NDC 69547-353The label doesn't name the factory. Plants this company names for other drugs
Kaleo, Inc. Naloxone Hydrochloride Injection, USP, Auto-Injector10 mg per 0.4 mL · NDC 60842-002The label doesn't name the factory. Plants this company names for other drugs
Mylan Institutional LLC0.4 mg per 1 mL, 1 mg per 1 mL · NDC 67457-292, 67457-299, 67457-992The label doesn't name the factory. Plants this company names for other drugs
Sandoz Inc.4 mg per 0.1 mL · NDC 0781-7176The label doesn't name the factory. Plants this company names for other drugs
Summit Biosciences Inc Rezenopy10 mg per 0.11 mL · NDC 43674-004The label doesn't name the factory. Plants this company names for other drugs
ZMI Pharma Inc. Zimhi5 mg per 0.5 mL · NDC 84571-140The label doesn't name the factory. Plants this company names for other drugs

Repackaged by

These companies buy Naloxone 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.

Recalls

Class I recalls are the most serious; Class III the least. A recall covers specific lots, listed on each recall.