Skeletal Muscle Relaxant

Where is Dantrolene made?

7 companies sell it under their own name and 8 repackagers rebottle it. Their labels name 8 factories in the United States, India, Taiwan, Switzerland and Italy.

United States 3India 2Taiwan 1Switzerland 1Italy 1
United States: 3India: 2Taiwan: 1Switzerland: 1Italy: 1

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Uswm, LLC20 mg per 60 mL · NDC 78670-003 HAS Healthcare Advanced Synthesis SAMakes the active ingredient Biasca, SwitzerlandNo problems foundFeb 2025
Patheon Italia S.p.AMakes it, tests it, packages it and labels it Ferentino, ItalyProblems found, fixed voluntarilyFeb 2022
Patheon Manufacturing Services LLCMakes it, tests it, packages it and labels it Greenville, NC, United StatesNo problems foundSep 2025
Eagle Pharmaceuticals, Inc. RYANODEX dantrolene sodium250 mg per 5 mL · NDC 42367-540 Alcami Carolinas CorporationMakes it Charleston, SC, United StatesProblems found, fixed voluntarilyFeb 2026
ScinoPharm Taiwan, Ltd.Makes the active ingredient Tainan, TaiwanSerious problems, FDA actionJun 2026
Amneal Pharmaceuticals25 mg, 50 mg, 100 mg · NDC 0115-4433, 0115-4411, 0115-4422 Amneal Pharmaceuticals Private LimitedMakes it, tests it, packages it and labels it Ahmedabad, IndiaNo problems foundJul 2024
Elite Laboratories, Inc.25 mg, 50 mg, 100 mg · NDC 64850-842, 64850-840, 64850-841 Elite Laboratories, Inc.Makes it and labels it Northvale, NJ, United StatesProblems found, fixed voluntarilyAug 2025
Par Health USA, LLC Dantrium25 mg, 50 mg, 100 mg · NDC 49884-364, 42023-126, 49884-362 +3 Par Formulations Private LimitedMakes it, tests it and packages it Chennai, IndiaProblems found, fixed voluntarilyJun 2026
ENDO USA, Inc. Dantrium20 mg per 60 mL · NDC 42023-123The label doesn't name the factory. Plants this company names for other drugs
Hikma Pharmaceuticals USA Inc.20 mg · NDC 0143-9297The label doesn't name the factory. Plants this company names for other drugs

Repackaged by

These companies buy Dantrolene 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.