ASHP MedMaster is the sole source of drug information in MedlinePlus
Since 2002 MedlinePlus has offered two sources of drug information for consumers: the United States Pharmacopeia Drug Information Advice for the Patient (USPDI) and the American Society of Health-System Pharmacists (ASHP) MedMaster. On February 1, access to USPDI will no longer be provided through MedlinePlus in an effort to avoid duplicating information. ASHP MedMaster and Natural Standard (herb and supplement information), in both English and Spanish, will comprise the Drugs, Supplements, and Herbal Information section of MedlinePlus. In the future, links will be created to the drug label information from the DailyMed web site.