Opioid Antagonist
Where is Methylnaltrexone made?
1 company sell it under their own name. Their labels name 3 factories in Canada, the United States and Germany.
Canada 1United States 1Germany 1
Companies and their factories
| Company on the label | Factory | Where | Last FDA inspection |
|---|---|---|---|
| Salix Pharmaceuticals, Inc. Relistor8 mg per 0.4 mL, 12 mg per 0.6 mL, 150 mg · NDC 65649-551, 65649-150, 65649-552 | Bausch Health Companies Inc.Makes it | Steinbach, Canada | No problems foundMay 2023 |
| Patheon Manufacturing Services LLCMakes it | Greenville, NC, United States | No problems foundSep 2025 | |
| Vetter Pharma Fertigung GmbH & Co. KG (Ravensburg Schuetzenstrasse)Makes it | Ravensburg, Germany | Problems found, fixed voluntarilyJul 2022 |