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McGraw Hill Releases New Edition of Harrison’s Principles of Internal Medicine, Delivering Expansive Digital Content within AccessMedicine
Complete 22nd edition of acclaimed, landmark guide to internal medicine is now available globally
Columbus, Ohio (August 20, 2025) – McGraw Hill announced today the global release of the 22nd edition of Harrison’s Principles of Internal Medicine with its authoritative and fully-updated content now available on AccessMedicine, a powerful digital learning solution that is continually updated with a comprehensive library of trusted, world-renowned medical education resources.

For more than seven decades, Harrison’s Principles of Internal Medicine has equipped medical students, professionals and academics with the informational foundation needed to provide optimal patient care. Also available in print and eBook, this trusted resource serves as the voice of clinical reason for medical students and professionals worldwide. The new edition reflects countless critical, practice-changing advances across all of internal medicine.
“Developed by the very best minds in medicine, Harrison’s has an unmatched reputation in the medical community for its high-caliber content that supports informed decision-making,” said Scott Grillo, President of McGraw Hill Professional. “By providing this robust resource within AccessMedicine, we’re ensuring healthcare professionals and students have more personalized access to clinically sound, trustworthy content when they need it, which is more important now than ever."
Edited and contributed by luminaries in medical research and practice, the 22nd edition has been modified extensively, synthesizing the vast amount of information that comprises general internal medicine and each of the major specialties into a highly readable and informative resource.
Updates in the 22nd edition include:
- Thoroughly updated content that reflects new approved therapeutics, advances in pathophysiology, and new practice-changing guidelines and evidence summaries
- More than 3,000 clinical, pathological, and radiographic photographs, diagnostic and therapeutic decision trees, and clear schematics and diagrams describing pathophysiologic processes
- Numerous atlases featuring curated collections of important visual aspects of diagnosis and management
- Brand new chapters, including The Value of the Physical Examination in Modern Medicine, Physician Well-Being, Exercise Intolerance, Symptom Control in Patients with Cancer, Principles of Immunization, Point-of-Care Ultrasound, and Placebo and Nocebo Effects
For more information about the 22nd edition of Harrison’s, visit: http://harrisonsim.com
About McGraw Hill
McGraw Hill (NYSE: MH) is a leading global provider of education solutions for preK-12, higher education and professional learning, supporting the evolving needs of millions of educators and students around the world. We provide trusted, high-quality content and personalized learning experiences that use data, technology and learning science to help students progress towards their goals. Through our commitment to fostering a culture of innovation and belonging, we are dedicated to improving outcomes and access to education for all. We have over 30 offices across North America, Asia, Australia, Europe, the Middle East and South America, and make our learning solutions available in more than 80 languages. Visit us at mheducation.com or find us on Facebook, Instagram, LinkedIn or X.
Contact
Ben Roselieb
McGraw Hill
(614) 673-3454
ben.roselieb@mheducation.com