The MSD Manual is a trusted source of medical information. With more than 600,000 downloads in the United States and around the world, it is the best resource for health information.

For patients, caregivers, and family members, it is a free, easy-to-use medical app that provides reliable, accessible information to help them make better decisions about their health. It is a one-stop resource for health information that they need to know to manage their conditions.

As a resource for health information, it offers clear, actionable explanations of thousands of medical conditions, including symptoms and what doctors do to diagnose and treat medical conditions. It is written in a common language, providing easy-to-understand explanations of complex medical topics.

For patients and caregivers, the MSD Manual offers an interactive, personalized experience that delivers the information they need at their fingertips. It can be accessed on the go and on their mobile devices. It can be downloaded onto a smartphone, tablet, computer, or laptop.