For more than two decades, The American Psychiatric Association Publishing Textbook of Consultation-Liaison Psychiatry and Psychosomatic Medicine has been the trusted reference for practitioners, educators, and researchers dedicated to diagnosing and treating psychiatric disorders in patients with medically complex conditions. Now in its fourth edition, this essential resource continues its legacy with updated practical guidance for managing co-occurring illness—all in one comprehensive volume.

Each chapter has been revised to capture the latest developments in the field. With contributions from experts across North America and Europe, the textbook brings together global clinical perspectives, offering a rich source of knowledge.

Organized into four detailed parts, the book covers

• General principles in evaluation and management, legal and ethical considerations, and psychological reactions to illness
• Psychiatric symptoms and disorders in medically ill patients, from depression and suicidality to sleep issues, substance-related conditions, and sexual dysfunction
• Common challenges within specialties such as oncology, hematology, neurology and neurosurgery, and obstetrics and gynecology
• Psychiatric treatment strategies in medically ill populations, including psychopharmacology, psychotherapy, electroconvulsive therapy, and palliative care

Designed with a systematic approach to caring for patients with medically complex conditions, this comprehensive textbook emphasizes safety and efficacy at every step. With actionable insights for experienced clinicians and an in-depth review of topics included on the board certification examination in psychosomatic medicine, it is also the perfect self-study resource for fellows. Readers will discover why this definitive textbook remains the go-to resource for consultation-liaison psychiatry and psychosomatic medicine.