The pharmacokinetics, pharmacodynamics, and pharmacotherapeutics of various drug categories are examined. General principles applicable across the life span will be addressed. Administration and teaching issues in the use of pharmacologic agents are emphasized. Principles of drug selection and monitoring in the treatment of common problems are integrated. Issues and practices regarding the use of over-the-counter and herbal therapies are included. The role of the advanced practice nurse in practicing legally and safely with prescriptive authority is addressed.