therapia sterilisans magna

noun

the·​ra·​pia ste·​ri·​li·​sans mag·​na the-ˈrā-pē-ə-ˌster-ə-ˈlī-ˌzanz-ˈmag-nə 

: treatment of infectious disease by the administration of large doses of a specific remedy for the destruction of the infectious agent in the body without doing serious harm to the patient