Written and peer reviewed by experts in practice and academia the 19th edition of the handbook of nonprescription drugs an interactive approach to self care is an authoritative resource for students and for health care providers who counsel and care for patients undertaking self treatment nonprescription drugs nutritional supplements medical foods nondrug and preventive measures and . The handbook of nonprescription drugs an interactive approach to self care contains the most authoritative information on nonprescription drug pharmacotherapy nutritional supplements medical foods nondrug and preventive measures and complementary and alternative therapies the 16th edition shows students and practitioners how to assess and triage a patients health complaint and it . The newly revised and updated nineteenth edition of the handbook of nonprescription drugs an interactive approach to self care is a comprehensive and authoritative textbook on self care and nonprescription medications the major goals for this edition were to. The handbook of nonprescription drugs an interactive approach to self care contains the most authoritative information on nonprescription drug pharmacotherapy nutritional supplements medical foods nondrug and preventive measures and complementary and alternative therapies