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HEALTH TOPICS
Common Health Topics
Blood Disorders
Bone, Joint, and Muscle Disorders
Brain, Spinal Cord, and Nerve Disorders
Cancer
Children's Health Issues
Digestive Disorders
Disorders of Nutrition
Drugs
Ear, Nose, and Throat Disorders
Eye Disorders
Fundamentals
Heart and Blood Vessel Disorders
Hormonal and Metabolic Disorders
Immune Disorders
Infections
Injuries and Poisoning
Kidney and Urinary Tract Disorders
Liver and Gallbladder Disorders
Lung and Airway Disorders
Men's Health Issues
Mental Health Disorders
Mouth and Dental Disorders
Older People’s Health Issues
Skin Disorders
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Women's Health Issues
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SYMPTOMS
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Abdomen & Digestive
Bleeding
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Eye
Genital & Urinary
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EMERGENCIES
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NEWS
AHA News: Medical School Project Pushes Healthy Habits 'Beyond Hospital Walls'
Americans Are Dying From Kratom Overdoses: CDC
Astronaut Twins Show Space Travel Doesn't Bring Lasting Biological Changes
Chemo Drug Shortages Have Little Effect on Cancer Care: Study
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View All News >
ABOUT
Overview
History
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Content Providers
Global Medical Knowledge 2020
FAQ
Contact Us
Courtesy of
About MSD
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research
WorldWide
MSD
Manual
Consumer Version
The trusted provider of medical information since 1899
Deutsch (GERMAN)
ENGLISH
ESPAÑOL (SPANISH)
FRANÇAIS (FRENCH)
Italiano (ITALIAN)
日本語 (JAPANESE)
한국어 (KOREAN)
Português (PORTUGUESE)
РУССКИЙ (RUSSIAN)
中文 (CHINESE)
SEARCH
SEARCH
VIEW PROFESSIONAL VERSION
HOME
HEALTH TOPICS
Common Health Topics
Blood Disorders
Bone, Joint, and Muscle Disorders
Brain, Spinal Cord, and Nerve Disorders
Cancer
Children's Health Issues
Digestive Disorders
Disorders of Nutrition
Drugs
Ear, Nose, and Throat Disorders
Eye Disorders
Fundamentals
Heart and Blood Vessel Disorders
Hormonal and Metabolic Disorders
Immune Disorders
Infections
Injuries and Poisoning
Kidney and Urinary Tract Disorders
Liver and Gallbladder Disorders
Lung and Airway Disorders
Men's Health Issues
Mental Health Disorders
Mouth and Dental Disorders
Older People’s Health Issues
Skin Disorders
Special Subjects
Women's Health Issues
Resources
Videos
Figures
Images
Quizzes
Common Medical Tests
View All Resources
SYMPTOMS
General
Abdomen & Digestive
Bleeding
Brain & Nervous System
Chest & Respiratory
Children's Symptoms
Eye
Genital & Urinary
ALL SYMPTOMS >
EMERGENCIES
Cardiac Arrest
Choking
ALL EMERGENCIES >
RESOURCES
3D Models
Abbreviations
Audio
Common Medical Tests
Figures
First Aid
Images
Infographics
Medical Terms
Pronunciations
Quizzes
Self-Assessment Tools
Tables
The One-Page Manual of Health
Videos
Weights & Measures
NEWS
AHA News: Medical School Project Pushes Healthy Habits 'Beyond Hospital Walls'
Americans Are Dying From Kratom Overdoses: CDC
Astronaut Twins Show Space Travel Doesn't Bring Lasting Biological Changes
Chemo Drug Shortages Have Little Effect on Cancer Care: Study
View All News >
View All News >
ABOUT
Overview
History
Editors and the Editorial Process
Publishing and Production Staff
Editorial Board
Contributors
Reviewers
Content Providers
Global Medical Knowledge 2020
FAQ
Contact Us
Courtesy of
About MSD
MSD Careers
research
WorldWide
Home
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First Aid
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Emergencies
Cardiac Arrest
Choking
Drowning
First Aid Priorities
Injuries
Altitude Illness
Bee Stings
Bites, Animal
Bites, Human
Bites, Snake
Burns
Electrical Injuries
Eye, Blunt Injury to
Eye, Chemical Burns of
Frostbite
Heatstroke
Hypothermia
Lightning Injuries
Shock
Sprains and Strains
Wounds