Now in its Sixth Edition, this comprehensive text provides pertinent information on medical diagnosis, therapy, lab tests, and health maintenance essential to decision making in primary care medicine. Every chapter has been revised to include more images, tables, and bulleted lists. Practical recommendations that incorporate the best available evidence, expert consensus guidelines, and clinical judgement are listed in bulleted items at the end of every chapter. The dermatology section has been extensively revised for this edition by a new section editor.