the world standard drug databasethe only comprehensive, computerised, read coded prescribing database for the electronic patient record.easily incorporated into all gp, hospital and community pharmacy clinical computer systems, to help optimise prescribing, and eliminate prescribing errors.full integration with all versions of read, icd, opcs.relates knowledge about the patient with knowledge about drugs, as part of the prescribing process.alerts users automatically about drug contraindications and side effects, drug use in pregnancy, lactation, and in renal and liver disease, using medical coding systems.drug-drug interaction messages are 'ingredient' based and 'action-orientated'.backed by a massive, hierarchically arranged, organised thesaurus of terms.