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Title:The Trusted Provider of Medical Information since 1899
Description:The Merck Manuals (known as the MSD Manuals outside US & Canada) are the global standard in medical reference for Doctors, Students & Consumers - since 1899.
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Fetched At:October 21, 2025
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h1The Trusted Provider of Medical Information since 1899
h2The Merck Manuals are a comprehensive medical information source covering thousands of topics in all fields of medicine. They are offered as a free public service to health care professionals and the
h2Choose the version that best meets your needs
h3Professional Version
h3For Medical Professionals and Students, more advanced content and features
h3I’m a medical professional or student.
h3Go To Professional Version
h3Consumer Version
h3For the General Public, information that is clear and easy to understand
h3I’m a patient, parent or caregiver.
h3Go To Consumer Version
h3Veterinary Manual
h3For Veterinary Professionals and Students, the world's most widely used veterinary reference
h3I’m a vet or pet owner.
h3Go to Veterinary Manual
h2Our mission is simple:
h2Merck and the Merck Manuals
Markdown Content
The Trusted Provider of Medical Information since 1899 honeypot link MERCK MANUALS # The Trusted Provider of Medical Information since 1899 ## The Merck Manuals are a comprehensive medical information source covering thousands of topics in all fields of medicine. They are offered as a free public service to health care professionals and the general public. ## Choose the version that best meets your needs Merck Manual ### Professional Version ### For Medical Professionals and Students, more advanced content and features ### I’m a medical professional or student. ### Go To Professional Version - 1000s of Topics - “How-To” Videos - Numerous Photos - Clinical Calculators - Quizzes - 3D Models - Case Studies, News and Editorials Merck Manual ### Consumer Version ### For the General Public, information that is clear and easy to understand ### I’m a patient, parent or caregiver. ### Go To Consumer Version - 1000s of Topics - 100s of Animations - Numerous Photos and Illustrations - Self-Assessment Tools - Quizzes - 3D Models - Common Medical Tests Merck Manual ### Veterinary Manual ### For Veterinary Professionals and Students, the world's most widely used veterinary reference ### I’m a vet or pet owner. ### Go to Veterinary Manual - 1000s of Topics - Dozens of Species - Numerous Videos and Photos - Clinical Calculators - Quizzes - Reference Guides - Case Studies, News and Editorials ## Our mission is simple: The Manuals, *known as the Merck Manuals in the United States and Canada and MSD Manuals outside the United States and Canada,* are one of the world’s most widely used medical information resources. The Manuals are committed to making the best current medical information accessible to health care professionals and patients on every continent. We believe that health information is a universal right and that every person is entitled to accurate and accessible medical information. We have a responsibility to protect, preserve and share the best current medical information to enable more informed decisions, enhance relationships between patients and professionals, and improve health care outcomes around the world. That’s why we are making the Merck Manuals and the MSD Manuals available for free in digital form in multiple languages to professionals and patients around the world. ## Merck and the Merck Manuals At Merck (known as MSD outside the United States and Canada) we are unified around our purpose: We use the power of leading-edge science to save and improve lives around the world. For more than 130 years, we have brought hope to humanity through the development of important medicines and vaccines. We aspire to be the premier research-intensive biopharmaceutical company in the world – and today, we are at the forefront of research to deliver innovative health solutions that advance the prevention and treatment of diseases in people and animals. First published in 1899 as a small reference book for physicians and pharmacists, The Merck Manual grew in size and scope to become one of the world's most widely used comprehensive medical resources for professionals and consumers. As The Manual evolved, it continually expanded the reach and depth of its offerings to reflect the mission of providing the best medical information to a wide cross-section of users, including medical professionals and students, veterinarians and veterinary students, and consumers. Learn more about our commitment to Global Medical Knowledge. MERCK MANUALS - About - Disclaimer - Permissions - Privacy - Cookie Preferences - Terms of use - Licensing - Contact Us - Global Medical Knowledge - Veterinary Manual - Print Editions - Mobile Apps - Consumer Health Data Privacy Policy - Your Privacy Choices - - - - - - Copyright© 2025 Merck & Co., Inc., Rahway, NJ, USA and its affiliates. All rights reserved.