Merck Manuals
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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. For access to thousands of medical topics with images, videos and a constantly expanding set of resources, visit MerckManuals.com.

Body Blueprint: Understanding Genes and Chromosomes | Merck Manual Consumer Version

Body Blueprint: Single Gene Defects | Merck Manual Professional Version

Merck Manuals AI-powered Search Tool

Benign Prostatic Hyperplasia (BPH) | Pathophysiology, Symptoms and Signs

Plantar Fasciitis: Causes, Symptoms & Treatment | Merck Manual Quick Facts

Immune Thrombocytopenia (ITP): Physician Facts | Merck Manual Professional Version

Traumatic Brain Injuries (TBI): Physician Facts | Merck Manual Professional Version

Gingivitis Myths vs Facts: How to Keep Your Gums Healthy | Merck Manuals

Narcolepsy: Quick Facts | Merck Manuals

Avian Influenza (H5N1 Bird Flu) | Merck Manuals

Attention-Deficit/Hyperactivity Disorder (ADHD) | Merck Manual Consumer Version

Physician Facts: Fractured and Avulsed Teeth

Quick Facts: Cavities | Merck Manuals

A Quick Guide To Avian Influenza (Bird Flu)

Foodborne Illness: Top Causes & Prevention Tips | Podcast

Menopause: Myths vs. Facts

Preeclampsia Myths | Merck Manuals Medical Myths Podcast

Why Do Babies Cry? | Merck Manuals Medical Myths Podcast

Pumpkin Carving Safety Tips | Merck Manual Consumer Version

Does Candy Cause Cavities? | Merck Manual Consumer Version

Snoring and Sleep Apnea Myths | Merck Manual Medical Myths Podcast

Insomnia Myths | Merck Manuals Medical Myths Podcast

Breast Pain (Mastalgia) | Causes, Evaluation and Treatment

Breast Cancer Screening and Prevention

Endometriosis Myths vs. Facts | Merck Manual Consumer Version

Sexually Transmitted Infections (STIs): Common Myths and Facts

Does Ginger Help With Nausea? | Merck Manual

Avian Flu | Merck Manuals Medical Myths Podcast

Family Caregiver's Guide to Urinary Incontinence

Patient Care Guide to Urinary Incontinence