Merck Manual - Consumers
The Merck Manual for Consumers website provides the standard in-home medical encyclopedia online. Find images, symptoms and signs, diagnoses, treatment, and prevention options for many types of medical concerns.
Construction Notice
The Clark Family Branch (formerly Headquarters) will open to the public on July 9. The Post Events Center will open on June 1.
History & Genealogy will suspend services beginning Monday, May 20. Services resume at the Clark Family Branch on July 9.
The Merck Manual for Consumers website provides the standard in-home medical encyclopedia online. Find images, symptoms and signs, diagnoses, treatment, and prevention options for many types of medical concerns.