Unified Medical Language System® (UMLS®)
MedDRA Spanish Source Information
This is the Spanish translation of the Medical Dictionary for Regulatory Activities (MedDRA).
For more information about MedDRA in the Metathesaurus, see the MedDRA source synopsis.
Metathesaurus Update Frequency
The Spanish translation of MedDRA is updated twice per year in the Metathesaurus, in conjunction with MedDRA.