An in-depth analysis of complex clinical situations involving multiple concurrent diseases, this book reviews the clinical presentation and management of interactions among medical conditions, including myofascial pain, headache, fibromyalgia, visceral pain, hypertension, diabetes, osteoarthritis, low back pain, obesity, depression, and anxiety. This is a must-have volume for clinicians who treat chronic pain patients, general practitioners, clinical psychologists, medical students, nurses, and clinical investigators.