Merck Manuals

What Merck Manuals does

Merck Manuals is a free, not-for-profit medical information resource published by Merck & Co., Inc. (NYSE: MRK, known as MSD outside the U.S. and Canada) since 1899. It operates three distinct editions: the Professional Version for clinicians and medical students, the Consumer Version for patients, parents, and caregivers, and the Veterinary Manual for veterinarians and animal health professionals. Content is authored and continuously updated by more than 350 academic physicians and 400+ veterinary experts from 20+ countries, with explicit editorial independence from Merck's pharmaceutical operations; authors and peer reviewers cannot be Merck employees or paid pharmaceutical speakers. The platform is distributed digitally via website, native iOS and Android apps, and EHR-integrated APIs, supported by physical print editions. It is available in 16 languages across 190+ countries and claims reach to 3 billion professionals and patients.

The technology stack is a digital medical information platform with cloud-based delivery, AI-enhanced search, and standards-compliant content tagging. All content is labeled with ICD-10-CM, SNOMED, and MeSH codes, enabling clinical decision support embedding via HL7-compliant infobutton APIs. Recent 2025 product additions include an AI chatbot (May 2025) that generates answers from the Manuals' vetted content library, text-to-speech audio, QR codes on every topic page, and PowerPoint figure export. The platform exposes 10,000+ supplementary resources including videos, animations, 3D models, clinical calculators, quizzes, and medical podcasts.

The business model is freemium with zero direct revenue: all content is free, with no registration, no subscription, and no advertising. The initiative is funded as a corporate sustainability project by Merck & Co., serving as reputation and information infrastructure rather than a revenue-generating unit. The only commercial surface is a small print book line sold through Amazon and licensed multimedia partnerships (Elsevier, Springer Healthcare, BioDigital, Nucleus Medical Media, 3D4Medical, AWHONN, etc.). Customer segments are three horizontal personas: medical professionals/students, patients/caregivers, and veterinary professionals/pet owners. The GTM motion is direct-to-consumer through free digital distribution at global scale.

Name

Merck Manuals

Legal name

Merck & Co., Inc.

Website

https://merckmanuals.com

Company type

Private

Founded year

1899

Operating status

Operating

Headcount range

11–50 employees

Short description

Merck Manuals is a free, not-for-profit medical reference platform published by Merck & Co. since 1899, serving healthcare professionals, patients, and veterinarians across 190+ countries in 16 languages through Professional, Consumer, and Veterinary editions.

Ownership category

akta.pro rank

Product category

Medical Reference Information

NAICS

Software Publishers (513210), Software Publishers (5132)

SIC

Books: Publishing Or Publishing & Printing (2731)

akta.pro primary industry

Medical & Clinical Reference (Physicians, Nursing, Allied Health) (EDAGAGAA)

Keywords

• Medical reference platform
• Clinical decision support
• Veterinary reference content
• Health information services
• Patient education resources

Headquarters

HQ city

Kenilworth

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Digital Commerce or Content

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Free Public Service (Corporate Sustainability): The Merck Manuals are provided free of charge as a corporate sustainability initiative of Merck & Co., Inc. No direct revenue is generated from the Manuals. The initiative is funded by the parent company as part of its commitment to making medical information accessible globally.

Pricing tiers

Go-to-market motion1 record

Distribution channels5 records

Marketing channels7 records

Core offering

Merck Manuals is a comprehensive medical information resource covering thousands of topics across all fields of medicine, available through three digital editions: the Professional Version for healthcare professionals and students, the Consumer Version for patients, parents and caregivers, and the Veterinary Manual for veterinarians and pet owners. Content is authored and continually updated by more than 350 academic physicians and 400+ veterinary experts, delivered free of charge in 16 languages across 190+ countries via a responsive website, native mobile apps, optional print editions, and APIs that support clinical decision support, patient education, and EHR content integration.

Product overview

Merck Manuals is a comprehensive medical information resource consisting of three main digital editions: the Professional Version for medical professionals and students, the Consumer Version for patients and caregivers, and the Veterinary Manual for veterinarians and animal health professionals. All three editions offer web-based access and dedicated mobile apps (Professional App, Consumer App, and Veterinary App) available in multiple languages (up to 16 languages total). The company also publishes print editions including the Merck Manual 20th Edition, specialized guides (Home Guide for Symptoms, Home Health Handbook), veterinary references, and pet health manuals. Enterprise solutions include partnership APIs enabling clinical decision support, infobuttons, and content integration for electronic health records and health IT systems. Recent AI capabilities include an AI chatbot (launched May 2025) using generative AI to provide answers from trusted medical content.

Differentiator

Problem solved

Functional benefit

Brands

• Merck Manual Professional Version: Detailed medical information for health care professionals and students with advanced content and features including thousands of topics, videos, clinical calculators, quizzes, 3D models, and case studies.
• Merck Manual Consumer Version
• Merck Veterinary Manual
• MSD Manual Guide to Obstetrics

Products and services

• Merck Manual Professional Version Comprehensive medical reference for healthcare professionals and medical students covering thousands of topics across all fields of medicine with advanced features including clinical calculators, quizzes, 3D models, case studies, news, and editorials.
• Merck Manual Consumer Version Consumer-facing medical information resource written in clear, easy-to-understand language for patients, parents, and caregivers, covering thousands of disorders with animations, photos, self-assessment tools, and common medical tests.
• Merck Veterinary Manual World's most widely used veterinary reference covering thousands of conditions across all body systems for numerous species, with content on etiology, pathophysiology, and diagnosis and treatment options, including videos, photos, clinical calculators, and reference guides.
• Merck Manual 20th Edition (Print) Print edition of the comprehensive medical reference covering thousands of medical topics, including 36 new chapters, more than 200 new tables, and over 100 new figures and photos in the 20th edition.
• MSD Manual Professional App Native iOS/Android app for medical professionals and students covering all major medical and surgical specialties, with content available in up to 8 languages including English, Chinese, French, German, Italian, Japanese, Portuguese, Russian, and Spanish.
• MSD Manual Consumer App Native iOS/Android app for consumers providing clear explanations of thousands of medical disorders including symptoms, diagnosis, and treatment, with photos, illustrations, videos, animations, drug information, pill identifier, and self-assessments in multiple languages.
• MSD Veterinary App Native iOS/Android app for the veterinary reference, providing thousands of topics by veterinary experts, an image and video library, clinical calculators, reference guides, hundreds of tables, and pet health content in English and Spanish.
• The MSD Manual Guide to Obstetrics Specialized mobile app subset of the MSD Professional Manual covering obstetrics, with 99 concise topics and 14 videos on normal pregnancy, prenatal care, pregnancy complications, high-risk pregnancy, labor and delivery, postpartum care, newborn care, family planning, and prenatal genetic counseling. Available within the U.S. and Canada.
• The Merck Veterinary Manual, Eleventh Edition (Print) Comprehensive print reference on all aspects of animal healthcare, with the 11th Edition offering the latest information on veterinary medicine across many expanded and revised sections.
• The Merck Manual Go-To Home Guide For Symptoms (Print) Print consumer guide presenting complex medical information in everyday language to help lay audiences understand a wide range of common symptoms from abdominal pain to wheezing.
• The Merck Manual Home Health Handbook (Print) Print handbook containing virtually all the information in the physicians' Merck Manual rewritten in everyday language, with contributions from nearly 300 leading medical experts.
• The Merck / Merial Manual for Pet Health (Print) Print pet health manual covering the full spectrum of common pets including dogs, cats, horses, birds, reptiles, fish, and other exotic pets.
• The Merck Manual of Patient Symptoms (Print) Compact, handy print reference guide enabling healthcare practitioners to accurately evaluate patients and initiate treatment to relieve their symptoms.
• MerckManuals.com Partnership Solutions (APIs and Embedded Content) Enterprise content solution allowing app developers, web portals, electronic health record providers, and health information technology systems to integrate Merck Manual health information through APIs tagged with ICD-10-CM, SNOMED, and MeSH coding, supporting clinical decision support, patient education, and HL7-compliant infobutton access via a cloud-based web service.

Quantifiable outcome

• Reached goal of making content accessible to 3 billion professionals and patients on every continent in October 2020
• +1 more outcomes

Segments3 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature6 records

Partnerships

One partnership is on record.

• eSSENTIAL AccessibilityminorStrategic or Co-development PartnerAccessibility assistive technology app provider featured as part of commitment to diversity and inclusion for individuals with physical disabilities.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• UpToDate: UpToDate (Wolters Kluwer) is the leading subscription-based clinical decision support resource for physicians, covering the same professional medical reference use case as the Merck Manual Professional Version, but with a paid, EHR-integrated model.
• VIN (Veterinary Information Network): VIN is a leading veterinary professional community and reference platform for veterinarians—directly comparable to the Merck Veterinary Manual in audience (vet professionals, students) and content category (veterinary clinical reference).
• DynaMed: DynaMed (EBSCO) provides evidence-based clinical decision support for clinicians, directly competing with Merck's Professional Version for the same physician audience and EHR-embedded workflows.
• BMJ Best Practice: BMJ Best Practice offers internationally authored clinical decision support covering thousands of conditions—directly comparable to the Merck Professional Version in topic coverage, target user, and clinical workflow integration.
• Medscape: Medscape (WebMD Health) provides free physician reference, news, and clinical decision tools, overlapping directly with Merck's free professional audience and consumer health content.
• Mayo Clinic Patient Care & Health Information: Mayo Clinic publishes trusted consumer and professional medical content covering diseases, symptoms, and treatment—directly comparable to both Merck's Consumer and Professional editions and similarly branded on institutional medical authority.
• WebMD: WebMD is the dominant consumer health information site in the US, directly comparable to Merck Manual Consumer Version in audience (patients, caregivers) and content category (general medical reference).

Emerging players

• Epocrates: Epocrates provides clinical reference and drug information tools for healthcare professionals via mobile apps, with a narrower focus (drugs, interactions, disease reference) than Merck's Professional Version but serving the same clinician audience.
• Osmosis (Elsevier): Osmosis (Elsevier) provides digital medical and health education content for students and clinicians—overlapping with Merck's Student Stories Blog and Student/Professional Version, and explicitly noted as a Merck Manuals content partner via Elsevier.

Others

• PubMed / MEDLINE: PubMed (NLM/NIH) is the foundational free biomedical literature index that physicians and patients use alongside Merck Manuals for primary research and evidence—adjacent rather than competitive but commonly used together.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/merckmanualpro
• YouTubeyoutube.com/channel/UCWWp8kQL3G4hcOo5G-mqjTg
• Facebookfacebook.com/MerckManualUS
• Instagraminstagram.com/merckmanuals
• Pinterestpinterest.com/merckmanuals

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Merck Manuals