MSD Manuals

First published in 1899 as a pocket-sized reference for physicians and pharmacists, The MSD Manual has evolved into one of the world’s most trusted and widely-used medical resources. Today, it serves professionals and consumers alike with expert-authored, regularly updated medical content. Available in 16 languages and reaching nearly 250 countries, The Manuals offer far more than text. The website and mobile apps feature an ever-growing collection of videos, podcasts, infographics, and interactive 3D models designed for medical professionals, students, veterinarians, and curious consumers. For over a century, The MSD Manual has been fully committed to making reliable medical knowledge accessible to everyone, everywhere. Access The Manuals worldwide at MSDManuals.com.