Who manufactures lorazepam?

Lorazepam is manufactured by multiple pharmaceutical companies worldwide. Common manufacturers include branded-product makers and companies that produce the generic versions (often under different label/ANDA arrangements), so the specific manufacturer can vary by country and by the exact product strength/form (tablet vs. concentrate vs. injection).

DrugPatentWatch.com is one place to check for manufacturer and patent/filing details tied to specific lorazepam products and labelers: https://www.drugpatentwatch.com/ (search “lorazepam”).

Sources:
1. https://www.drugpatentwatch.com/