The 33rd edition of PDR for Nonprescription Drugs is even more valuable than ever before. The 2012 book offers a completely updated guide to hundreds of the most commonly used over-the-counter medications, including analgesics, cough and cold preparations, fever reducers, allergy medications, and more. Organized alphabetically for easy use, PDR for Nonprescription Drugs offers comprehensive drug information, such as usage, dosages, warnings and precautions, side effects, ingredients, and more.