Anthelmintic

Where is Praziquantel made?

2 companies sell it under their own name and 1 repackager rebottle it. Their labels name 2 factories in Germany.

Germany 2
Germany: 2

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Bayer HealthCare Pharmaceuticals Inc. Biltricide600 mg · NDC 50419-747 Bayer AGMakes it, makes the active ingredient, tests it, packages it, labels it and mills it Leverkusen, GermanyProblems found, fixed voluntarilyMar 2025
Merck Kommanditgesellschaft auf AktienMakes the active ingredient and tests it Darmstadt, GermanyProblems found, fixed voluntarilyOct 2023
Par Health USA, LLC600 mg · NDC 49884-231The label doesn't name the factory. Plants this company names for other drugs

Repackaged by

These companies buy Praziquantel 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.