FDB MedKnowledge™, formerly National Drug Data File (NDDF) Plus™, is produced by First DataBank.
FDB MedKnowledge combines a comprehensive set of drug database elements, drug pricing and clinical information with multiple types of unique drug identifiers to allow flexibility in representing drugs and health conditions, enhancing clinical decision support.
FDB MedKnowledge encompasses medications approved by the U.S. Food and Drug Administration, and information on commonly-used over-the-counter and alternative therapy agents such as herbals, nutraceuticals and dietary supplements.
The Metathesaurus representation of FDB MedKnowledge includes only clinical drugs, dose forms, and ingredients.
The Metathesaurus representation of FDB MedKnowledge contains approximately 33,140 clinical drugs, 847 dose forms, and 14,768 ingredients.
FDB MedKnowledge is updated weekly.
Metathesaurus Update Frequency
FDB MedKnowledge is updated in each Metathesaurus release as part of RxNorm.