This revised and updated edition of one of the most recognized reference books available provides trusted and accessible information about prescription and nonprescription drugs that has made it a bestselling classic. This new edition includes: * Revised information on new FDA changes * Easy-to-use chart format for quick access to data * Guidelines to avoid dangerous interactions * Information on dangerous side effects * Warnings and vital data for safe use * More than 5,000 brand names and 800 generic names