Medical Dictionary
prodrug
noun pro·drug \ˈprō-ˌdrəg\
Medical Definition of PRODRUG
: a pharmacologically inactive substance that is the modified form of a pharmacologically active drug to which it is converted (as by enzymatic action) in the body <prodrugs that enhance drug absorption> <a prodrug that is rapidly converted to phenytoin in the body—Danielle G. LeStrange>
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