... MW: 312.41 Assay: 99% Appearance: White powder 2. Descriptions: Praziquantel, marketed as Biltricide, is an anthelmintic used in humans and ... the most important medications needed in a basic health system. Praziquantel is used to treat diseases in humans, mammals, and fish ... by trematodes of the genus Schistosoma. As of 2005, praziquantel is the primary treatment for human schistosomiasis, for which it ...