The most trusted and comprehensive A-to-Z drug reference guide. Includes new FDA-approved drugs-more than 2.5 million copies sold. 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.