Answer
Fosphenytoin is a water-soluble precursor that can be given intravenously or, in selected adults, intramuscularly. The body rapidly converts it into active phenytoin, but its preparation and administration differ from phenytoin injection.
Sources for this answer
- Pro-Epanutin Concentrate for Infusion / Solution for Injection — Current selected SmPCemc · Summary of Product Characteristics
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.