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ENGLISH
MERCK MANUAL
Consumer Version
HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
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COMMENTARY
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HEALTH TOPICS
HEALTHY LIVING
SYMPTOMS
EMERGENCIES
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Injuries and Poisoning
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Injuries and Poisoning
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Abdominal Injuries
Overview of Abdominal Injuries
Complications
Hematoma rupture
Intra-abdominal abscess
Intestinal obstruction
Abdominal compartment syndrome
Symptoms
Diagnosis
Treatment
Liver Injury
Causes
Symptoms
Diagnosis
Treatment
Spleen Injury
Symptoms
Diagnosis
Treatment
Altitude Illness
Altitude Illness
Risk factors
Acclimatization
Symptoms
Acute mountain sickness (AMS)
High-altitude cerebral edema (HACE)
High-altitude pulmonary edema (HAPE)
Other symptoms
Diagnosis
Treatment
Prevention
Rate of ascent
Medications
General measures
Bites and Stings
Introduction to Bites and Stings
Human Bites
Symptoms
Treatment
Animal Bites
Treatment
Alligator, Crocodile, and Iguana Bites
Alligator and Crocodile Bites
Iguana Bites
Lizard Bites
Snakebites
Symptoms
Pit vipers
Coral snakes
Diagnosis
Treatment
Serum sickness
Centipede and Millipede Bites
Bee, Wasp, Hornet, and Ant Stings
Symptoms
Treatment
Insect Bites
Infectious Disease Spread by Insects
Puss Moth Caterpillar Stings
Treatment
Mite Bites
Treatment
Scorpion Stings
Treatment
Spider Bites
Symptoms
Diagnosis
Treatment
Tick Bites
Tick paralysis
Treatment
Jellyfish Stings
Treatment
Seabather's eruption
Octopus, Squid, Snail, and Other Mollusk Stings
Treatment
Sea Urchin Stings
Stingray Stings
Treatment
Burns
Burns
Classification
Burn depth
Burn severity
Symptoms
Complications
Diagnosis
Treatment
Superficial minor burns
Deep minor burns
Severe burns
Prognosis
Chemical Burns
Symptoms
Treatment
Smoke Inhalation
Symptoms
Diagnosis
Treatment
Chest Injuries
Introduction to Chest Injuries
Causes
Symptoms
Diagnosis
Treatment
Blunt Injury to the Heart
Commotio cordis
Symptoms
Diagnosis
Treatment
Cardiac Tamponade
Symptoms
Diagnosis
Treatment
Hemothorax
Symptoms
Diagnosis
Treatment
Injury to the Aorta
Symptoms
Diagnosis
Treatment
Open Pneumothorax
Symptoms
Diagnosis
Treatment
Tension Pneumothorax
Symptoms
Diagnosis
Treatment
Traumatic Pneumothorax
Symptoms
Diagnosis
Treatment
Pulmonary Contusion
Symptoms
Diagnosis
Treatment
Rib Fractures
Symptoms
Diagnosis
Treatment
Cold Injuries
Overview of Cold Injuries
Prevention
Frostbite
Symptoms
Diagnosis
Treatment
Outside of the hospital
In the hospital
After hospital discharge
Hypothermia
Symptoms
Diagnosis
Treatment
Treatment outside the hospital
Treatment in the hospital
Essentials for Older Adults: Adapting to Cold Temperatures
Nonfreezing Tissue Injuries
Frostnip
Immersion (trench) foot
Chilblains (pernio)
Dislocations
Overview of Dislocations
Causes
Symptoms
Complications
Fractures
Blood vessel damage
Bleeding
Nerve damage
Infections
Joint problems
Diagnosis
Description of the injury
Physical examination
Tests
Treatment
Treatment of serious injuries
Pain relief
PRICE
Reduction
Immobilization
Surgery
Rehabilitation and Prognosis
Shoulder Dislocation
Symptoms
Diagnosis
Treatment
Elbow Dislocations
Treatment
Radial Head Subluxation (Nursemaid's Elbow)
Symptoms
Diagnosis
Prevention
Treatment
Dislocations of Bones of the Hand
Symptoms
Diagnosis
Treatment
Finger Dislocations
Symptoms
Diagnosis
Treatment
Hip Dislocations
Symptoms
Diagnosis
Treatment
Knee Dislocations
Symptoms
Diagnosis
Treatment
Kneecap Dislocations
Symptoms
Diagnosis
Treatment
Diving and Compressed Air Injuries
Overview of Diving Injuries
Underwater pressure
Other diving-related disorders
More Information
Arterial Gas Embolism
Symptoms
Diagnosis
Treatment
More Information
Barotrauma
Pulmonary (lung) barotrauma
Symptoms
Pulmonary barotrauma
Mask barotrauma (mask squeeze)
Ear barotrauma (ear squeeze)
Sinus barotrauma (sinus squeeze)
Dental barotrauma (tooth squeeze)
Eye barotrauma (eye squeeze)
Gastrointestinal tract barotrauma (gut squeeze)
Diagnosis
Treatment
Prevention
More Information
Decompression Sickness
Symptoms
Type I decompression sickness (less severe)
Type II decompression sickness (more severe)
Late effects of decompression sickness
Diagnosis
Treatment
Recompression therapy
Prevention
More Information
Gas Toxicity During Diving
Oxygen Toxicity
Nitrogen Narcosis
Carbon Dioxide Toxicity
Carbon Monoxide Poisoning
High-Pressure Neurologic (Nervous System) Syndrome
More Information
Immersion Pulmonary Edema
Prevention
More Information
Recompression Therapy
Diving Safety Precautions and Prevention of Diving Injuries
Safety Precautions
Conditions That Can Preclude Diving
More Information
Drowning
Drowning
Settings and activities that increase risk of drowning
Oxygen deprivation due to drowning
Effects of submersion in cold water
Symptoms
Complications of drowning
Diagnosis
Treatment
Out of the hospital
In the hospital
Prognosis
Prevention
Water safety and children
Swimming safety
Other water safety measures
More Information
Electrical and Lightning Injuries
Electrical Injuries
How electricity affects the body
Intensity of the current
Type of current
Pathway of the current
Duration of exposure
Resistance to the current
Symptoms
Diagnosis
Treatment
Prevention
More Information
Lightning Injuries
Symptoms
Diagnosis
Treatment
Prognosis
Prevention
More Information
Eye Injuries
Overview of Eye Injuries
Causes
Evaluation
Prevention
Black Eye
Burns to the Eye
Treatment
Chemical burns
Thermal burns
Corneal Abrasions and Corneal Foreign Bodies
Causes
Symptoms
Diagnosis
Treatment
Corneal foreign bodies
Corneal abrasions
Prognosis
Eyelid and Eyeball Lacerations
Eyelid Laceration
Eyeball Laceration
Diagnosis
Treatment
Prognosis
Fractures of the Orbit
Blowout fracture
Symptoms
Diagnosis
Treatment
Hyphema
Treatment
Intraocular Foreign Bodies
Causes
Symptoms
Diagnosis
Treatment
Prevention
Retinal Detachment Caused by Injury to the Eye
Symptoms
Diagnosis
Treatment
Traumatic Iritis and Chemical Iritis
Treatment
Facial Injuries
Ear Injury
Cauliflower ear (subperichondrial hematoma)
Cuts (lacerations)
Avulsions
Fractures
Fractures of the Jaw and Midface
Symptoms
Diagnosis
Treatment
Treatment of mandible fractures
Treatment of maxillary fractures
Treatment of tooth socket fractures
Fractures of the Nose
Symptoms
Diagnosis
Treatment
Treatment of pain and swelling
Treatment of hematomas
Treatment of fractures
Temporal Bone Fracture
Symptoms
Diagnosis
Treatment
Treatment of facial paralysis
Treatment of hearing loss
Treatment of vertigo
Treatment of cerebrospinal fluid leakage
First Aid
Introduction to First Aid
Basic First Aid Supplies
More Information
Emergency First Aid Priorities
Choking
First Aid for Choking
Internal Bleeding
First Aid for Internal Bleeding
Severed or Constricted Limbs or Digits
Soft-Tissue Injuries
First Aid for Soft-Tissue Injuries
Wounds
First Aid for Wounds
Fractures
Overview of Fractures
How bones heal
Causes
Symptoms
Complications
Blood vessel damage
Nerve damage
Pulmonary embolism
Fat embolism
Compartment syndrome
Infections
Joint problems
Uneven limbs
Problems with healing
Osteonecrosis
Diagnosis
Description of the injury
Physical examination
Tests
Types of fractures
Treatment
Treatment of children
Treatment of serious injuries
Pain relief
PRICE
Reduction
Immobilization
Surgery
Rehabilitation and Prognosis
Growth Plate Fractures
Causes
Symptoms
Diagnosis
Treatment
Collarbone Fractures
Symptoms
Diagnosis
Treatment
Upper Arm Fractures
Symptoms
Diagnosis
Treatment
Elbow Fractures
Lower Humeral Fractures
Symptoms
Diagnosis
Treatment
Fractures of Part of the Elbow
Symptoms
Diagnosis
Treatment
Fractures of the Upper Forearm
Symptoms
Diagnosis
Treatment
Middle Forearm Fractures
Symptoms
Diagnosis
Treatment
Wrist Fractures
Fractures of the Lower Forearm
Symptoms
Diagnosis
Treatment
Scaphoid Fractures
Symptoms
Diagnosis
Treatment
Hand Fractures
Diagnosis
Treatment
Fractures of the Palm
Symptoms
Diagnosis
Treatment
Finger Fractures
Symptoms
Diagnosis
Treatment
Compression Fractures of the Spine
Symptoms
Other injuries
Diagnosis
Treatment
Procedures
Pelvic Fractures
Causes
Symptoms
Diagnosis
Treatment
Hip Fractures
Symptoms
Diagnosis
Treatment
Hip repair
Hip replacement
Leg Fractures
Thighbone (Femur) Fractures
Symptoms
Diagnosis
Treatment
Ankle Fractures
Symptoms
Diagnosis
Treatment
Fractures of the Heel Bone
Symptoms
Diagnosis
Treatment
Foot Fractures
Diagnosis
Treatment
Toe Fractures
Symptoms
Diagnosis
Treatment
Sesamoid Fractures
Treatment
Metatarsal Fractures
Stress Fractures of the Metatarsals
Symptoms
Diagnosis
Treatment
Lisfranc Fracture-Dislocation
Symptoms
Diagnosis
Treatment
Fractures of the 5th Metatarsal Bone
Fractures of the base
Fractures of the shaft
Compartment Syndrome
Symptoms
Diagnosis
Treatment
Head Injuries
Overview of Head Injuries
Causes
Symptoms
Minor head injury
Severe head injury
Diagnosis
Minor head injury
Severe head injury
Treatment
Minor head injury
Severe head injury
Prognosis
Minor head injury
Severe head injury
Brain Contusions and Lacerations
Concussion
More Information
Sports-Related Concussion
Repeat injury
Second-impact syndrome
Symptoms
Postconcussion syndrome
Diagnosis
Treatment
Return to play
Diffuse Axonal Injury
Intracranial Hematomas
Epidural Hematomas
Subdural Hematomas
Symptoms
Diagnosis
Treatment
Intracerebral Hematomas
Skull Fracture
Skull fractures in infants
Symptoms
Diagnosis
Treatment
Fractures at the base of the skull
Depressed skull fractures
Skull fractures in children
Heat Disorders
Overview of Heat Disorders
Temperature regulation
Heat disorders
Other temperature-regulation disorders
Causes
Risk factors for heat disorders
Prevention
Exertion in the heat
Heat Cramps
Heat Exhaustion
Symptoms
Diagnosis
Treatment
Heatstroke
Symptoms
Diagnosis
Treatment
Prognosis
Malignant Hyperthermia
Symptoms
Diagnosis
Treatment
Prevention
Neuroleptic Malignant Syndrome
Symptoms
Diagnosis
Treatment
Serotonin Syndrome
Symptoms
Diagnosis
Treatment
Injury to the Urinary Tract and Genitals
Overview of Urinary Tract and Genital Injury
Bladder Injuries
Complications
Symptoms
Diagnosis
Treatment
Genital Injuries
Cuts to the penis
Fracture of the penis
Injury of the scrotum and testes
Kidney Injuries
Symptoms
Diagnosis
Treatment
Ureteral Injuries
Complications
Symptoms
Diagnosis
Treatment
Urethral Injuries
Symptoms
Diagnosis
Treatment
Mass-Casualty Weapons
Overview of Incidents Involving Mass-Casualty Weapons
Initial Approach
Preparedness
Recognition
Assessment and triage
Treatment
Biological Weapons
Recognition
Response
More Information
Overview of Chemical-Warfare Agents
Anticholinergic Chemical-Warfare Agents
Symptoms
Diagnosis
Treatment
Blistering Agents in Chemical Warfare
Symptoms
Diagnosis
Treatment
Incendiary Agents and Hydrogen Fluoride (HF)
Symptoms
Diagnosis
Treatment
Nerve Chemical-Warfare Agents
Symptoms
Diagnosis
Treatment
Pulmonary Chemical-Warfare Agents
Symptoms
Diagnosis
Treatment
Riot-Control Chemical Agents
Symptoms
Diagnosis
Treatment
More Information
Systemic Asphyxiant Chemical-Warfare Agents
Symptoms
Diagnosis
Treatment
Explosives and Blast Injuries
Symptoms
Diagnosis
Treatment
Radiological Weapons
Toxins as Weapons
Botulinum Toxin
Ricin and Abrin
Staphylococcal Enterotoxin B
Motion Sickness
Motion Sickness
Risk factors
Symptoms
Diagnosis
Prevention and Treatment
Poisoning
Overview of Poisoning
Accidental poisoning
Deliberate poisoning
Symptoms
First Aid for Poisoning
Diagnosis
Drug testing
Prevention
Treatment
Provide supportive care
Remove poison from the eyes and skin
Prevent absorption of poison
Increase elimination of poison
Antidotes
Mental health evaluation
More Information
Acetaminophen Poisoning
Symptoms
Diagnosis
Treatment
More Information
Aspirin Poisoning
Acute aspirin poisoning
Gradual aspirin poisoning
Poisoning with salicylates other than aspirin
Symptoms
Diagnosis
Treatment
More Information
Carbon Monoxide Poisoning
Symptoms
Diagnosis
Prevention
Treatment
More Information
Caustic Substances Poisoning
Symptoms
Diagnosis
Treatment
More Information
Hydrocarbon Poisoning
Symptoms
Diagnosis
Treatment
More Information
Insecticide Poisoning
Symptoms
Diagnosis
Treatment
More Information
Iron Poisoning
Symptoms
Diagnosis
Treatment
More Information
Lead Poisoning
Sources of lead
Effects of lead on the body
Symptoms
Diagnosis
Prevention
Treatment
More Information
Overview of Food Poisoning
Treatment
Fish and Shellfish Poisoning
Ciguatera poisoning
Tetrodotoxin poisoning
Scombroid poisoning
Shellfish poisoning
Mushroom (Toadstool) Poisoning
Early gastrointestinal symptoms
Early symptoms that affect the brain and spine
Early symptoms caused by muscarine-containing mushrooms
Delayed gastrointestinal and other symptoms
More Information
Plant and Shrub Poisoning
Castor and jequirity beans
Hemlock
Oleander, foxglove, and lily of the valley
More Information
Radiation Injury
Radiation Injury
Measurement of radiation
Contamination vs irradiation
Sources of Radiation Exposure
Background radiation
Human-made radiation
Effects of Radiation
Radiation and children
Radiation and cancer
Radiation and inherited defects
Symptoms
Acute radiation illness
Local radiation injury
Diagnosis
Treatment
Prevention
Prognosis
Spinal Injuries
Injuries of the Spinal Cord and Vertebrae
Symptoms
Complications of spinal cord injury
Diagnosis
Treatment
Prognosis
More Information
Spinal Cord Injury in Children
Causes
Symptoms
Diagnosis
Treatment
Sports Injuries
Overview of Sports Injuries
Overuse
Blunt trauma
Fractures and dislocations
Sprains and strains
Children and sports injuries
Symptoms
Diagnosis
Treatment
Initial treatment
Rehabilitation
Prevention
Shoulder Injuries
Rotator Cuff Injury/Subacromial Bursitis
Symptoms
Diagnosis
Treatment
Glenoid Labral Tear
Elbow Injuries
Lateral Epicondylitis
Causes
Symptoms
Diagnosis
Treatment
Medial Epicondylitis
Diagnosis
Treatment
Jersey Finger
Causes
Symptoms
Diagnosis
Treatment
Piriformis Syndrome
Symptoms
Diagnosis
Treatment
Hamstring Injury
Treatment
Pain in the Front of the Knee
Runner’s knee
Excessive pronation
Diagnosis
Treatment
Shin Splints
Symptoms
Diagnosis
Treatment
Achilles Tendinitis
Stress Fractures of the Foot
Symptoms
Diagnosis
Treatment
Turf Toe
Causes
Symptoms
Diagnosis
Treatment
Sprains and Other Soft-Tissue Injuries
Overview of Sprains and Other Soft-Tissue Injuries
Causes
Symptoms
Complications
Bleeding
Blood vessel damage
Nerve damage
Joint problems
Compartment syndrome
Diagnosis
Description of the injury
Physical examination
Tests
Treatment
Treatment of serious injuries
Pain relief
PRICE
Immobilization
Surgery
Rehabilitation and Prognosis
Achilles Tendon Tears
Causes
Symptoms
Diagnosis
Treatment
Ankle Sprains
Symptoms
Mild
Moderate to severe
Very severe
Diagnosis
Treatment
Mild sprains
Moderate sprains
Severe sprains
High ankle sprains
Biceps Tendon Tears
Symptoms
Diagnosis
Treatment
Knee Extensor Injuries
Symptoms
Diagnosis
Treatment
Knee Sprains and Related Injuries
Symptoms
Diagnosis
Stress testing
Imaging tests
Treatment
Mallet Finger
Symptoms
Diagnosis
Treatment
Shoulder Sprains
Symptoms
Diagnosis
Treatment
Thumb Sprains
Symptoms
Diagnosis
Treatment
