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  • Eye, Blunt Injury to
  • Eye, Chemical Burns of
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Index
ibicidigiliminioipiqirisitiuiv
Type in the first few letters of a word to get there faster:
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In

Incapacity

Some Legal Terms Related to Health CareSidebar
Capacity to Make Health Care Decisions

Incentive spirometry

Chest Physical Therapy: Breathing exercises

Inclusion conjunctivitis

Infectious Conjunctivitis

Inclusion cyst

Gynecologic Cysts: Inclusion and Epidermal Cysts of the Vulva

  • vulvar

  • Gynecologic Cysts

    Incompetency

    Some Legal Terms Related to Health CareSidebar

    Incontinence

  • fecal

  • Fecal Incontinence

  • in children

  • Stool Incontinence in Children

  • in dying person

  • Symptoms During a Fatal Illness: Incontinence

  • hospitalization and

  • Problems Due to Hospitalization: Incontinence

  • urinary

  • Urinary Incontinence in Adults

  • after menopause

  • Menopause: After menopause

  • causes of

  • Urinary Incontinence in Adults: Causes
    Urinary Incontinence in Adults: CausesTables
    Some Drugs That Can Cause IncontinenceTables

  • in children

  • Incontinence in Children
    Incontinence in Children: What the doctor doesTables
    Incontinence in Children: What the doctor doesTables

  • drugs for

  • Some Drugs Used to Treat Urinary IncontinenceTables

  • in dying person

  • Symptoms During a Fatal Illness: Incontinence

  • hospitalization and

  • Problems Due to Hospitalization: Incontinence

  • information resources on


  • Incus (anvil)

    A Look Inside the EarFigures
    Biology of the Ears, Nose, and Throat: Middle Ear

    Indigestion

    see also Heartburn; Nausea; Vomiting
    Symptoms of Digestive Disorders
    Indigestion
    Some Causes and Features of IndigestionTables

    Indinavir

    Drugs For HIV InfectionTables

    Indomethacin

  • in elderly persons

  • Some Drugs Particularly Likely to Cause Problems in Older PeopleTables

  • during pregnancy

  • Persistent Pulmonary Hypertension: Causes

    Infant(s)

  • apparent life-threatening event in

  • Apparent Life-Threatening Event (ALTE)

  • botulism in

  • Some Physical Causes and Features of Constipation in Infants and ChildrenTables

  • colic in

  • Colic

  • constipation in

  • Symptoms in Infants and Children
    Some Physical Causes and Features of Constipation in Infants and ChildrenTables

  • crying by

  • Crying
    Some Medical Disorders That Cause Excessive Crying in Infants and Young Children*Tables

  • diarrhea in

  • Diarrhea in Children
    Some Causes and Features of DiarrheaTables

  • fever in

  • Fever in Infants and Children

  • large-for-gestational-age

  • Large for Gestational Age (LGA)

  • rash in

  • Rashes in Children

  • seizures in

  • Some Causes of Seizures in Newborns and InfantsTables

  • separation anxiety in

  • Separation and Stranger Anxiety

  • small-for-gestational-age

  • Small for Gestational Age (SGA)

  • vomiting in

  • Vomiting in Infants and Children
    Some Causes and Features of Vomiting in Infants, Children, and AdolescentsTables

    Infantile esotropia

    Strabismus: Infantile Esotropia

    Infantile paralysis

    Polio

    Infantile spasms (salaam seizures)

    Neurologic Disorders in Children: Infantile Spasms

    Infant(s)

    see also Children

  • abdominal pain in

  • Abdominal Pain in Newborns, Infants, and Young ChildrenTables

  • adverse drug reactions in

  • Factors Affecting Response to Drugs: Effects of Age
    Many Factors Affect Drug ResponseFigures
    Risk Factors for Adverse Drug Reactions: Age

  • antibodies in

  • Effects of Aging on the Immune System: Newborns

  • bacterial infections in

  • Bacterial Infections in Infants and Children

  • botulism in

  • Botulism: Causes
    Botulism: Symptoms
    Feeding of Newborns and Infants: Starting Solid Foods

  • breathing (respiratory) disorders in

  • Respiratory Disorders in Children

  • choking in

  • Clearing a Blocked Airway in an InfantFigures
    Choking: First-Aid Treatment

  • death of

  • Illness and Death in Infants

  • SIDS and

  • Sleeping in Newborns and Infants
    Sudden Infant Death Syndrome (SIDS)
    Safe to Sleep: Reducing the Risk of Sudden Infant Death SyndromeSidebar

  • development of

  • behavioral

  • Behavioral, Social, and Intellectual Development of Infants
    An Infant's First Year: Developmental MilestonesTables

  • intellectual

  • Behavioral, Social, and Intellectual Development of Infants
    An Infant's First Year: Developmental MilestonesTables

  • physical

  • Physical Development of Infants
    An Infant's First Year: Physical DevelopmentFigures

  • feeding of

  • Feeding of Newborns and Infants
    Positioning a Baby to BreastfeedFigures

  • problems in

  • Feeding Problems

  • fever in

  • How to Take a Child's TemperatureSidebar
    Fever in Infants and Children: What the doctor doesTables

  • immunization for

  • Vaccination of Infants and Children
    Vaccinating Infants and ChildrenFigures

  • myasthenia in

  • Myasthenia Gravis: Neonatal myasthenia

  • normal

  • Newborns and Infants

  • premature

  • see also Premature infants
    Complications of Labor and Delivery : Preterm Labor

  • preventive health care for

  • Preventive Health Care Visits for Infants

  • problems in

  • Miscellaneous Disorders in Infants and Young Children
    Treating DehydrationSidebar
    Undescended TestisFigures

  • transient hypogammaglobulinemia in

  • Transient Hypogammaglobulinemia of Infancy

  • undernutrition in

  • Undernutrition

  • viral infection in

  • Viral Infections in Infants and Children
    Some Viral Infections At a GlanceTables
    Enteroviral Infections: Common in ChildhoodSidebar

  • vitamin deficiencies in

  • Vitamin E: Symptoms

    Infarction

  • brain

  • see Stroke

  • kidney

  • Blockage of the Renal Arteries

  • lung

  • Pulmonary Embolism (PE)
    Pulmonary Embolism (PE): Symptoms

  • myocardial

  • see Heart attack

    Infection

  • abdominal

  • Abdominal Abscesses

  • after childbirth

  • Postpartum Infections

  • after rape

  • Rape: Symptoms

  • anus and rectum

  • Anorectal Abscess

  • bacterial

  • see also Bacterial infections
    Other Bacterial InfectionsTables

  • in children

  • Bacterial Infections in Infants and Children

  • bacterial infections

  • Bacterial Infections

  • Bartholin gland

  • Nearby Infections: Vulvitis and BartholinitisSidebar

  • in biological warfare

  • Biological Warfare and Terrorism startSidebar

  • biology of

  • Biology of Infectious Disease
    Types of Infectious OrganismsTables
    Fever in Adults: Risk factorsTables

  • bladder (cystitis)

  • Bladder Infection (Cystitis)

  • after childbirth

  • Bladder and Kidney Infections

  • in children

  • Urinary Tract Infection in Children(UTI)

  • bloodstream

  • Bacteremia

  • in children

  • Occult Bacteremia

  • in newborn

  • Sepsis in the Newborn
    Some Infections of NewbornsTables

  • bone (osteomyelitis)

  • Bone and Joint Infections

  • with bone marrow transplantation

  • Stem Cell Transplantation

  • brain

  • Brain Infections
    Who Should Receive the Rabies Vaccine?Sidebar
    Who Should Receive the Rabies Vaccine?Sidebar
    Meningitis
    Some Causes of Noninfectious MeningitisTables

  • childhood disintegrative disorder and

  • Autism Spectrum Disorders: Childhood Disintegrative Disorder

  • coma with

  • Some Causes of Stupor and ComaTables

  • seizures with

  • Causes of SeizuresTables

  • breast

  • Breast Infection and Abscess

  • after childbirth

  • Breast Infection

  • bronchus (bronchitis)

  • Acute Bronchitis
    Understanding BronchitisFigures

  • conjunctiva

  • see Conjunctivitis

  • coronary artery disease and

  • Coronary Artery Disease: Risk Factors

  • in cystic fibrosis

  • Cystic Fibrosis (CF): Treatment

  • defenses against

  • see also Immune system
    Biology of the Immune System: Physical barriers
    Defenses Against Infection

  • detection of

  • Diagnosis of Infectious Diseases

  • development of

  • Development of Infection
    Infection From Medical DevicesSidebar

  • in diabetes mellitus

  • Diabetes Mellitus (DM): Complications
    Long-Term Complications of DiabetesTables
    The Foot in DiabetesSidebar

  • diagnostic tests in

  • Diagnosis of Infectious Diseases

  • diverticula

  • Diverticulitis

  • during cancer treatment

  • Chemotherapy: Low Blood Cell Counts

  • ear

  • External Otitis
    Otitis Media (Acute)

  • in children

  • Middle Ear Infections in Young Children
    Ventilating Tubes: Treating Recurring Ear InfectionsFigures

  • chronic

  • Otitis Media (Chronic)

  • eardrum

  • Infectious Myringitis

  • ehrlichial

  • Ehrlichiosis and Anaplasmosis

  • epiglottis

  • Epiglottitis
    Epiglottitis: Prevention and Treatment

  • esophageal

  • Infection of the Esophagus

  • eye

  • see also Conjunctivitis
    Superficial Punctate Keratitis
    Herpes Simplex Keratitis
    Endophthalmitis

  • eyelid

  • Blepharitis

  • fatigue in

  • Fatigue: What the doctor doesTables

  • fever in

  • Fever in Adults
    Fever in Adults: Risk factorsTables
    Fever in Infants and Children: Causes
    Fever in Infants and Children: What the doctor doesTables

  • finger

  • Hand and Finger Infections

  • fungal

  • see Fungal infection
    Fungal Infections

  • gastroenteritis

  • Gastroenteritis
    Microorganisms That Cause GastroenteritisTables

  • in children

  • Gastroenteritis in Children

  • in infants

  • Feeding Problems: Vomiting

  • glomerulonephritis after

  • Glomerulonephritis (Nephritic Syndrome)
    Secondary Causes of GlomerulonephritisSidebar

  • gums and

  • Gingivitis: Gingivitis Due to Infections

  • hand

  • Hand and Finger Infections

  • heart (endocarditis)

  • Infective Endocarditis
    An Inside View of Infective EndocarditisFigures
    Which Procedures Require Preventive Antibiotics?*Tables

  • in Hodgkin lymphoma

  • Symptoms of Hodgkin LymphomaTables

  • hospital-acquired

  • Problems Due to Hospitalization: Hospital-Acquired Infections

  • immunization against

  • see Immunization

  • in immunodeficiency disorders

  • Immunodeficiency Disorders: Symptoms
    Immunodeficiency Disorders: Prevention and Treatment

  • immunologic tests in

  • Diagnosis of Infectious Diseases: Tests That Detect Antibodies to Microorganisms

  • joint

  • Infectious Arthritis

  • temporomandibular

  • Temporomandibular Disorders : Arthritis

  • kidney (pyelonephritis)

  • Kidney Infection (Pyelonephritis)

  • after childbirth

  • Bladder and Kidney Infections

  • in children

  • Urinary Tract Infection in Children(UTI)

  • liver (hepatitis)

  • Hepatitis

  • lung

  • see Pneumonia

  • lymph node

  • Lymphadenitis

  • mastoid

  • Mastoiditis

  • from medical devices

  • Infection From Medical DevicesSidebar

  • meninges

  • see Meningitis

  • mouth

  • Mouth Sores and Inflammation: Viral infections
    Mouth Sores: Infection
    Periapical Abscess

  • mouth floor

  • Submandibular Space Infection

  • in multiple myeloma

  • Multiple Myeloma: Treatment and Prognosis

  • in neutropenia

  • Neutropenia

  • in newborns

  • Some Infections of NewbornsTables

  • in non-Hodgkin lymphoma

  • Symptoms of Non-Hodgkin LymphomaTables

  • nose

  • Bacterial Nasal Infections

  • opportunistic

  • in HIV infection

  • Human Immunodeficiency Virus HIV Infection: Symptoms
    Common Opportunistic Infections Associated with AIDSTables
    Human Immunodeficiency Virus HIV Infection: Prevention of Opportunistic Infections

  • in immunosuppressed person

  • Infections in People With Impaired Defenses

  • orbit

  • Infections of the Orbit (Preseptal Cellulitis; Orbital Cellulitis)

  • organ transplantation and

  • Transplantation: Medical Screening

  • pancreas

  • Acute Pancreatitis: Complications
    Acute Pancreatitis: Diagnosis

  • parasitic

  • see also Parasitic infection
    Parasitic Infections

  • peritoneum

  • see Peritonitis

  • during pregnancy

  • Drug Use During Pregnancy: Illicit Drugs
    Infections During Pregnancy
    Urinary Tract Infections During Pregnancy
    Birth Defects: Infections

  • in premature infant

  • Prematurity: Underdeveloped Immune System

  • in pressure sores

  • Pressure Sores: Symptoms
    Pressure Sores: Treatment

  • prevention of

  • Prevention of Infection

  • prostate gland

  • Bladder Infection (Cystitis): Men
    Prostatitis

  • prosthesis and

  • Skin Care for Amputees: Preventing Infections

  • reactive arthritis (Reiter syndrome) with

  • Reactive Arthritis

  • rectum

  • Proctitis

  • respiratory

  • see also Pneumonia
    Common Cold
    Influenza

  • rickettsial

  • Rickettsial and Related Infections

  • salivary gland

  • Salivary Gland Disorders: Salivary gland infection

  • in sickle cell disease

  • Sickle Cell Disease: Complications

  • sinus

  • Sinusitis
    Fungal Sinus InfectionsSidebar

  • skin

  • see Skin, infection of

  • spinal cord

  • Brain Infections
    Meningitis
    Some Causes of Noninfectious MeningitisTables

  • in spleen disorders

  • Spleen Disorders and Immunodeficiency

  • stomach

  • Gastritis: Causes
    When the Stomach Is InfectedSidebar

  • susceptibility testing in

  • Diagnosis of Infectious Diseases: Culture and Susceptibility Testing

  • swollen lymph nodes and

  • Some Causes and Features of Swollen Lymph NodesTables

  • tests for

  • Diagnosis of Infectious Diseases

  • throat

  • Sore Throat
    Some Causes and Features of Sore ThroatTables
    Tonsillopharyngitis
    Epiglottitis
    Epiglottitis: Prevention and Treatment

  • tonsil

  • Sore Throat: Tonsillopharyngitis
    Tonsillopharyngitis

  • tooth

  • Periapical Abscess

  • transfusion-acquired

  • Testing Donated Blood for InfectionsSidebar

  • travel and

  • Problems in Transit: Spread of Infection

  • urethra (urethritis)

  • Urethritis

  • urinary tract

  • see also Urinary tract, infection of
    Urinary Tract Infections (UTI)
    Factors Contributing to Bacterial Urinary Tract InfectionsSidebar

  • uterus, after childbirth

  • Infections of the Uterus

  • vagina

  • Vaginal Infections and Pelvic Inflammatory Disease
    Some Vaginal InfectionsTables

  • viral

  • see also Viral infection
    Viral Infections

  • in children

  • Viral Infections in Infants and Children

  • vulva

  • Nearby Infections: Vulvitis and BartholinitisSidebar

  • wound

  • Wounds

    Infectious mononucleosis

    Viral Infections: Types of Viral Infections
    Epstein-Barr Virus (EBV) Infection

    Infertility

    Infertility
    What Causes Infertility in Men?Tables

  • information resources on


  • unexplained

  • Unidentified Infertility Factors

    Infiltrative lung diseases

    Unusual Interstitial Lung DiseasesTables

    Inflammation

    Biology of the Immune System: Molecules
    Defenses Against Infection: Inflammation

  • alveoli (alveolitis), allergic

  • Hypersensitivity Pneumonitis
    What Causes Hypersensitivity Pneumonitis?Tables

  • appendix (appendicitis)

  • Appendicitis

  • in children

  • Appendicitis in Children

  • during pregnancy

  • Disorders That Require Surgery During Pregnancy: Appendicitis

  • bile duct

  • Primary Biliary Cirrhosis

  • in ulcerative colitis

  • Ulcerative Colitis: Complications

  • bladder

  • Bladder Infection (Cystitis): Both Sexes

  • blood vessels (vasculitis)

  • Occlusive Peripheral Arterial Disease: Symptoms
    Superficial Venous Thrombosis
    Vasculitic Disorders
    Some Disorders in Which Vasculitis Can OccurTables
    Biopsy of the Temporal ArteryFigures

  • brain

  • see Encephalitis; Encephalopathy

  • bronchus (bronchitis)

  • Acute Bronchitis
    Understanding BronchitisFigures

  • bursa

  • Bursitis

  • cancer and

  • Risk Factors for Cancer: Inflammatory Disorders

  • cervix

  • Gonorrhea

  • choroid (choroiditis)

  • Uveitis

  • conjunctiva

  • see Conjunctivitis

  • diverticula (diverticulitis)

  • Constipation: Complications
    Diverticulitis
    Complications of Diverticular DiseaseFigures

  • epididymis (epididymitis)

  • Epididymitis and Epididymo-orchitis

  • esophagus (esophagitis)

  • Gastroesophageal Reflux (GERD): Symptoms and Complications

  • erosive

  • Injury to the Esophagus: Erosive Esophagitis

  • eye

  • see also Conjunctivitis
    Eyelid Swelling
    Some Causes and Features of Eyelid SwellingTables
    Episcleritis
    Uveitis
    Inflammation of the Orbit

  • eyelid (blepharitis)

  • Blepharitis

  • fallopian tube

  • Pelvic Inflammatory Disease (PID)

  • gallbladder (cholecystitis)

  • Cholecystitis

  • gums (gingivitis)

  • Gingivitis

  • heart

  • endocarditis

  • Infective Endocarditis
    An Inside View of Infective EndocarditisFigures
    Which Procedures Require Preventive Antibiotics?*Tables
    Endocarditis Without InfectionSidebar

  • myocarditis

  • Heart Failure: Systolic Dysfunction
    Dilated Cardiomyopathy: Causes

  • pericarditis

  • Chest Pain: Causes
    Heart Failure: Diastolic Dysfunction
    Acute Pericarditis
    Cardiac Tamponade: The Most Serious Complication of Pericarditis Figures
    Acute Coronary Syndromes (Heart Attack; Myocardial Infarction; Unstable Angina): Other problems

  • iris (iritis)

  • Uveitis

  • joint

  • see also Arthritis

  • kidney

  • Kidney Filtering Disorders

  • large intestine

  • see also Colitis
    Inflammatory Bowel Diseases (IBD)
    Drugs That Reduce Bowel Inflammation Caused by Crohn DiseaseTables
    Drugs That Reduce Bowel Inflammation Caused by Ulcerative ColitisTables

  • larynx (laryngitis)

  • Laryngitis

  • in leprosy

  • Leprosy: Symptoms

  • lip (cheilitis)

  • Lip and Tongue Disorders: Inflammation

  • liver

  • see Hepatitis

  • lymphatic vessels (lymphangitis)

  • Lymphangitis

  • lymph nodes (lymphadenitis)

  • Lymphadenitis

  • nose (rhinitis)

  • Rhinitis

  • optic nerve (optic neuritis)

  • Optic Neuritis

  • orbit

  • Inflammation of the Orbit

  • pancreas (pancreatitis)

  • Pancreatitis

  • in mumps

  • Mumps: Symptoms and Diagnosis

  • penis (balanoposthitis)

  • Penile and Testicular Disorders

  • pericardium

  • see Pericarditis

  • plantar fascia

  • Plantar Fasciosis

  • prostate gland (prostatitis)

  • Prostatitis

  • pulp (pulpitis)

  • Pulpitis

  • rectum (proctitis)

  • Proctitis

  • ulcerative

  • Ulcerative Colitis
    Ulcerative Colitis: Prognosis

  • sclera (scleritis)

  • Scleritis

  • sinus (sinusitis)

  • Nose and Sinuses
    Sinusitis

  • skin

  • see also Dermatitis
    Overview of Dermatitis
    Common Causes of Allergic Contact DermatitisSidebar
    Poison Ivy DermatitisSidebar

  • small and medium-sized arteries (Thromboangiitis Obliterans)

  • Occlusive Peripheral Arterial Disease: Thromboangiitis Obliterans

  • spinal cord (transverse myelitis)

  • Acute Transverse Myelitis

  • stomach (gastritis)

  • Gastritis
    When the Stomach Is InfectedSidebar

  • superficial veins (thrombophlebitis)

  • Superficial Venous Thrombosis

  • sweat gland

  • Hidradenitis Suppurativa

  • tendon (tendinitis)

  • Tendinitis and Tenosynovitis
    Shoulder Injuries: Rotator Cuff Injury

  • tendon sheath (tenosynovitis)

  • Tendinitis and Tenosynovitis

  • testis (orchitis)

  • Scrotal Pain: What the doctor doesTables

  • thumb tendon (De Quervain syndrome)

  • Tendinitis and Tenosynovitis: De Quervain Syndrome

  • thyroid gland (thyroiditis)

  • Hyperthyroidism: Causes

  • tibia

  • Osgood-Schlatter Disease

  • tongue (glossitis)

  • Tongue Disorders: Discoloration

  • tooth

  • Pulpitis

  • treatment of

  • Treatment of Pain and Inflammation
    Types of Heat TherapyTables

  • urethra

  • see Urethritis

  • uvea (uveitis)

  • Uveitis

  • vagina (vaginitis)

  • Vaginal Discharge
    Vaginal Infections and Pelvic Inflammatory Disease
    Some Vaginal InfectionsTables

  • veins

  • Occlusive Peripheral Arterial Disease: Symptoms

  • vertebrae (ankylosing spondylitis)

  • Ankylosing Spondylitis

    Inflammatory bowel disease

    Inflammatory Bowel Diseases (IBD)
    Drugs That Reduce Bowel Inflammation Caused by Crohn DiseaseTables
    Drugs That Reduce Bowel Inflammation Caused by Ulcerative ColitisTables

  • in children

  • Some Causes and Features of DiarrheaTables
    Fever in Infants and Children: What the doctor doesTables

  • diarrhea and

  • Some Causes and Features of DiarrheaTables

  • pelvic pain and

  • Some Gynecologic Causes of Pelvic PainTables

  • pregnancy and

  • Some Causes and Features of Pelvic Pain During Early PregnancyTables
    Some Causes and Features of Pelvic Pain During Early PregnancyTables

    Inflammatory breast cancer

    Breast Cancer: Types
    Breast Cancer: Symptoms
    Breast Cancer: Treatment of Specific Types of Breast Cancer

    Inflammatory demyelinating polyneuropathy (Guillain-Barré syndrome)

    Guillain-Barré Syndrome

    Inflammatory orbital pseudotumor

    Inflammation of the Orbit: Causes

    Infliximab

    see also Immunosuppressive drugs

  • in autoimmune disorders

  • Autoimmune Disorders: Treatment

  • in Crohn disease

  • Crohn Disease: Immunomodulating drugs
    Drugs That Reduce Bowel Inflammation Caused by Crohn DiseaseTables

  • in rheumatoid arthritis

  • Drugs Used to Treat Rheumatoid ArthritisTables
    Rheumatoid Arthritis (RA): Immunosuppressive drugs

  • in transplantation

  • Drugs Used to Prevent Transplant RejectionTables

  • in ulcerative colitis

  • Ulcerative Colitis: Immunomodulating drugs
    Drugs That Reduce Bowel Inflammation Caused by Ulcerative ColitisTables

    Influenza

    Influenza

  • bird (avian)

  • Influenza: Bird Flu

  • in children

  • Respiratory Tract Infections in Children

  • immunization for

  • Preventing Certain Pneumonias With VaccinesSidebar
    Protecting Children Through VaccinesTables
    Protecting Adults Through VaccinesTables
    Common Vaccinations: Influenza
    Influenza: Prevention
    Preventing Influenza With a VaccineSidebar
    Vaccinating Infants and ChildrenFigures

  • in children

  • Respiratory Tract Infections in Children: Prevention and Treatment

  • in pregnant women

  • Medical Care During Pregnancy: Follow-up Examinations

  • travel and

  • Vaccines for International Travel*,†,‡Tables

  • prevention of

  • Selected Strategies for Preventing Some Major Health ProblemsTables

    Informed consent

    Informed Consent
    Surgery: Decision Making
    What Participants Need to Know About Clinical Trials: Problems and Safeguards
    Elements of Informed Consent DocumentsSidebar

    Informed refusal

    Informed Consent: Refusing care

    Ingrown hair

    Ingrown Beard Hairs
    Folliculitis and Skin Abscesses: Folliculitis

    Ingrown toenail

    Ingrown Toenail

    Inguinal hernia

    Abdominal Wall Hernias: Inguinal Hernia
    What Is an Inguinal Hernia?Figures
    Scrotal Pain: What the doctor doesTables
    Scrotal Swelling: When to see a doctor
    Scrotal Swelling: What the doctor doesTables
    Hernia in Children: Inguinal Hernia

    Inhalants

    Solvent Inhalants
    Common Products That Contain Solvent InhalantsSidebar
    Abused Inhalants With Medical UsesSidebar

    Inhalation

  • drug administration by

  • Drug Administration: Inhalation

  • dust

  • Who Is at Risk of Environmental Lung Diseases?Sidebar

  • gas or chemical

  • Who Is at Risk of Environmental Lung Diseases?Sidebar
    Gas and Chemical Exposure
    Hypersensitivity Pneumonitis
    What Causes Hypersensitivity Pneumonitis?Tables

    Inhalational fever

    Building-Related Illnesses: Specific Building-Related Illnesses

    Inhaler

  • in allergy

  • Allergic Reactions and Other Hypersensitivity Disorders: Mast cell stabilizers
    Some Drugs Used to Treat Allergies: Available FormsTables

  • in asthma

  • How to Use a Metered-Dose InhalerFigures
    Asthma: Beta-Adrenergic Agonists
    Respiratory Disorders in Children: Treatment

    Inheritance

    see Gene(s); Genetics

    Injections

  • of contraceptive

  • How Effective Is Contraception?Tables
    Comparing Contraceptive MethodsTables
    Family Planning: Contraceptive Injections

  • of drugs

  • Drug Administration: Injection Routes
    Through the SkinFigures

  • of insulin

  • Diabetes Mellitus (DM): Insulin Replacement Therapy
    Insulin Replacement TherapyFigures

    Injection sclerotherapy

  • for hemorrhoids

  • Hemorrhoids: Treatment

  • for varicose veins

  • Varicose Veins: Injection therapy (sclerotherapy)

    Injury (injuries)

  • abdominal

  • Abdominal Injuries

  • acute stress gastritis and

  • Gastritis: Symptoms and Complications

  • altitude illness

  • Altitude Diseases

  • arm, in newborn

  • Birth Injury: Nerve Injury

  • arteriovenous fistula with

  • Arteriovenous Fistula

  • atelectasis after

  • Atelectasis: Causes

  • birth

  • Birth Injury

  • in cerebral palsy

  • Cerebral Palsy (CP)

  • bite

  • see Bites and stings

  • bladder

  • Bladder Injuries

  • body part reattachment after

  • Reattaching a Body PartSidebar

  • bone

  • see Fracture

  • brain

  • see Brain, injury to

  • burn

  • Burns
    When Chemicals Burn the SkinSidebar
    Estimating the Extent of a BurnFigures
    Smoke InhalationSidebar
    Small, Shallow BurnsSidebar
    Electrical and Lightning Injuries

  • in child abuse

  • Child Neglect and Abuse: Physical Abuse

  • to esophagus

  • Caustic Substances Poisoning

  • to eye

  • Burns to the Eye

  • in child abuse

  • Child Neglect and Abuse

  • cold

  • Cold Injuries
    Spotlight on AgingSidebar

  • compressed air

  • Diving and Compressed Air Injuries

  • prevention of

  • Diving Precautions and Prevention of Diving Injuries

  • diving

  • Diving and Compressed Air Injuries

  • prevention of

  • Diving Precautions and Prevention of Diving Injuries

  • domestic violence

  • Domestic Violence

  • ear

  • Barotrauma of the Ear
    The Eustachian Tube: Keeping Air Pressure EqualFigures
    Ear Injury

  • in Ehlers-Danlos syndrome

  • Ehlers-Danlos Syndrome

  • esophagus

  • Injury to the Esophagus

  • exercise-related, prevention of

  • Exercising Safely

  • eye

  • Injuries to the Eye

  • sympathetic ophthalmia after

  • Sympathetic Ophthalmia

  • first aid for

  • First Aid
    Automated External Defibrillator: Jump-Starting the HeartFigures

  • hand

  • Hand Injuries
    Common Hand InjuriesFigures

  • head

  • see Head, injury to

  • heat

  • Heat Disorders
    Ways to Help Prevent Heat DisordersSidebar
    Spotlight on AgingSidebar

  • high potassium levels with

  • Potassium: Hyperkalemia

  • intestine, in newborn

  • Necrotizing Enterocolitis (NEC)

  • kidney

  • Kidney Injuries
    Kidney Injuries: Minor to SevereFigures

  • lightning

  • Lightning Injuries

  • liver

  • Liver Injury

  • lung, in newborn

  • Bronchopulmonary Dysplasia

  • motor vehicle-related

  • The Older Driver: Crash Rates and Traffic Violations

  • mouth

  • Mouth Sores and Inflammation: Injury or irritation
    Mouth Sores: Injury or irritation

  • muscle

  • Fractures: Compartment Syndrome

  • nail

  • Fingernail and Toenail Trauma

  • near drowning

  • Drowning

  • needlestick

  • Human Immunodeficiency Virus HIV Infection: Transmission of Infection
    Human Immunodeficiency Virus HIV Infection: Prevention

  • nerve

  • Mononeuropathy
    Multiple Mononeuropathy

  • in newborn

  • Birth Injury: Nerve Injury

  • nose

  • Fractures of the Nose
    Saddle Nose DeformityFigures

  • penis

  • Injuries to the Penis and Scrotum

  • poisoning

  • see Poisoning

  • prevention of

  • Safety 101Sidebar
    Spotlight on AgingSidebar
    Sports Injuries: Prevention

  • radiation

  • Radiation Injury

  • rape

  • Rape

  • salivary gland

  • Salivary Gland Disorders: Salivary gland swelling

  • scrotum

  • Injuries to the Penis and Scrotum: Injury of the Scrotum and Testes

  • soft tissue, first aid for

  • Soft-Tissue Injuries
    Commonly Used SplintsFigures

  • spinal cord

  • Where Is the Spinal Cord Damaged?Figures
    Spinal Injuries

  • compression of

  • Compression of the Spinal Cord

  • in newborn

  • Birth Injury: Nerve Injury

  • rehabilitation after

  • Rehabilitation for Specific Problems: Spinal Injuries

  • spleen

  • Spleen Injury

  • sports

  • Sports Injuries
    Children and Sports InjuriesSidebar

  • stings

  • see Bites and stings

  • stress gastritis and

  • Gastritis: Causes

  • stress reaction after

  • Posttraumatic Stress Disorder (PTSD)

  • testes

  • Injuries to the Penis and Scrotum

  • tongue

  • Tongue Disorders: Injury

  • tooth

  • Fractured, Loosened, or Knocked-Out Teeth

  • during travel

  • Problems in Transit: Minor Injuries
    Problems at the Destination: Injuries and Death

  • ureter

  • Ureteral Injuries

  • urethra

  • Urethral Injuries

  • urinary tract

  • Injury to the Urinary Tract
    Kidney Injuries: Minor to SevereFigures

    Inner ear

    A Look Inside the EarFigures
    Biology of the Ears, Nose, and Throat: Inner Ear

  • disorders of

  • Some Causes and Features of TinnitusTables
    Middle Ear Disorders
    Inner Ear Disorders
    The Epley Maneuver: A Simple Cure for a Common Cause of VertigoFigures
    How Ear Disorders Affect the Facial NerveFigures

    Inocybe (mushroom) poisoning

    Chemical Food Poisoning: Mushroom (Toadstool) Poisoning

    Inotropic drugs

    Some Drugs Used to Treat Heart FailureTables

    Insanity

    see Mental health disorders

    Insecticide poisoning

    Insecticide Poisoning

    Insects

    see also specific insects

  • bites by

  • Insect Bites

  • in ear

  • Ear Blockages: Foreign objects
    Objects in the Ears and Nose: In the Ear

    Insemination

  • artificial

  • Problems With Sperm: Treatment

  • intrauterine

  • Problems With Mucus in the Cervix: Treatment

    Insomnia

    Insomnia and Excessive Daytime Sleepiness
    Changes in Behavior to Improve SleepTables

  • drugs and

  • Some Drugs That Interfere With SleepTables

  • drugs for

  • Prescription Sleep Aids: Not to Be Taken LightlySidebar

  • in elderly persons

  • Some Drugs Particularly Likely to Cause Problems in Older PeopleTables

  • fatal familial

  • Fatal Insomnia

    Institutional Review Boards

    What Participants Need to Know About Clinical Trials: Problems and Safeguards

    Insulin

    Pancreas
    Major HormonesTables
    Diabetes Mellitus (DM)

  • in diabetes mellitus

  • Diabetes Mellitus (DM): Insulin Replacement Therapy
    Insulin Replacement TherapyFigures
    Diabetes Mellitus in Children(DM): Treatment

  • insufficiency of

  • see Diabetes mellitus

  • low blood sugar (hypoglycemia) with

  • Hypoglycemia: Drugs

  • meal frequency and

  • Diets: Weight Loss Diets

  • in pancreatitis

  • Chronic Pancreatitis: Treatment

  • in polycystic ovary syndrome

  • Polycystic Ovary Syndrome: Symptoms

  • during pregnancy

  • Physical Changes During Pregnancy: Hormones

  • receptor binding of

  • Cells

  • resistance to

  • Diabetes Mellitus (DM): Insulin Replacement Therapy

  • in polycystic ovary syndrome

  • Polycystic Ovary Syndrome

  • sensitivity to

  • Diabetes Mellitus (DM): Insulin Replacement Therapy
    Diabetes Mellitus (DM): Oral Antihyperglycemic Drugs

  • during travel

  • Specific Medical Conditions and Travel: Diabetes

    Insulin-like growth factor I (IGF-I)

    Hypopituitarism: Diagnosis
    Acromegaly and Gigantism: Diagnosis

    Insulinoma

    Pancreatic Endocrine Tumors: Insulinoma
    Hypoglycemia: Symptoms
    Hypoglycemia: Cause

    Insulin resistance syndrome

    Metabolic Syndrome

    Insurance plans

    How Health Care Is Paid For

  • drug coverage

  • How Health Care Is Paid For: Paying for Drugs

  • long-term care and

  • Who Needs Long-Term Care Insurance?Sidebar

  • Medicare and

  • Medicare

  • for older people

  • Health Care Coverage for Older People
    Who Pays for What?Tables

  • for travel

  • Travel and Health: Health and Travel Insurance

    Integrase inhibitors

    Human Immunodeficiency Virus HIV Infection: Antiretroviral Drugs
    Drugs For HIV InfectionTables

    Intellectual development

  • adolescent

  • Intellectual and Behavioral Development

  • child

  • Intellectual Development
    Preventive Health Care Visits

  • galactosemia and

  • Disorders of Carbohydrate Metabolism: Prognosis

  • low blood sugar levels (hypoglycemia) and

  • Diabetes Mellitus in Children(DM): Complications of Treatment and Illness

  • infant

  • Behavioral, Social, and Intellectual Development of Infants
    An Infant's First Year: Developmental MilestonesTables

    Intellectual disability

    Intellectual Disability
    Levels of Mental Retardation/Intellectual DisabilityTables
    Some Causes of Mental Retardation/Intellectual DisabilitySidebar

  • in Down syndrome

  • Down Syndrome (Trisomy 21; Trisomy G)

  • in fragile X syndrome

  • Fragile X Syndrome

    Intelligence quotient (IQ)

  • in autism

  • Autism Spectrum Disorders: Intelligence

  • in Down syndrome

  • Down Syndrome (Trisomy 21; Trisomy G): Symptoms

  • evaluation of

  • Intellectual Disability: Diagnosis

  • in mental retardation

  • Intellectual Disability
    Levels of Mental Retardation/Intellectual DisabilityTables

    Intensive care unit (ICU)

    Special Care Units: When People Need Special CareSidebar

    Intention tremor

    Tremor: Intention tremor
    Tremor: What a doctor doesTables

    Intercourse

    see Sexual activity

    Interdigital nerve pain

    Pain in the Ball of the Foot (Metatarsalgia): Damage to the Nerves in the Foot

    Interdisciplinary care

    Continuity of Care: Interdisciplinary Care

    Interferon-alpha

    Immunotherapy for Cancer
    Antiviral DrugsTables

  • in cancer

  • Chemotherapy DrugsTables

  • in decreased platelets (thrombocythemia)

  • Thrombocythemia: Treatment

  • in hepatitis

  • Chronic Hepatitis: Hepatitis B and C

  • in polycythemia

  • Polycythemia Vera: Prognosis and Treatment

    Interferon-gamma

    Chronic Granulomatous Disease

    Interferons

    Innate Immunity: Cytokines

    Interleukin

    Understanding the Immune SystemSidebar

  • in kidney cancer

  • Cancers of the Kidney and Urinary Tract: Treatment

    Intermittent claudication

    Occlusive Peripheral Arterial Disease: Arteries of the Legs and Arms
    Occlusive Peripheral Arterial Disease: Arteries of the Legs and Arms

    Intermittent exotropia

    Strabismus: Intermittent Exotropia

    Intermittent porphyria

    Acute Intermittent Porphyria

    International Classification of Disease, 10th Revision, Clinical Modification (ICD-10-CM)

    Classification and Diagnosis of Mental Illness

    International travel

    see Air travel; Travel

    Internet

  • for research

  • Medical Decision Making

    Internet, for research

    Researching a Disorder

    Internuclear ophthalmoplegia

    Multiple Sclerosis (MS): Symptoms
    Internuclear Ophthalmoplegia

    Interpersonal therapy

    Treatment of Mental Illness: Psychotherapy

    Intersex states

    Genital Defects

    Interstitial cystitis

    Some Causes and Features of Painful UrinationTables
    Interstitial Cystitis
    Bladder Infection (Cystitis): Both Sexes

    Interstitial lung disease

    Interstitial Lung Diseases
    Unusual Interstitial Lung DiseasesTables
    Causes of Interstitial Lung DiseasesTables
    Comparing Types Of Idiopathic Interstitial PneumoniasTables

  • drug-induced disease of

  • Unusual Interstitial Lung DiseasesTables

  • shortness of breath and

  • Some Causes and Features of Shortness of BreathTables

    Interstitial pneumonia

  • desquamative

  • Idiopathic Interstitial Pneumonias: Respiratory Bronchiolitis–Associated Interstitial Lung Disease and Desquamative Interstitial Pneumonia

  • lymphoid

  • Lymphoid Interstitial Pneumonia

    Interstitial pneumonitis, in HIV infection

    Human Immunodeficiency Virus (HIV) Infection in Children: Symptoms

    Intervertebral disks

    How the Spine Is OrganizedFigures

  • degenerative disease of

  • Joint Disorders: Symptoms

  • herniation of

  • Low Back and Neck Pain: Types
    Low Back and Neck Pain: Common causes
    A Herniated DiskFigures
    Some Causes and Features of Low Back PainTables
    Neck Pain: What the doctor does

    Intestinal lipodystrophy (Whipple disease)

    Whipple Disease

    Intestinal lymphangiectasia

    Intestinal Lymphangiectasia

    Intestine

    see also Large intestine; Small intestine
    Digestive SystemFigures

  • blood supply to

  • blockage of

  • Acute Mesenteric Ischemia
    Ischemic Colitis

  • death (necrosis) of, in premature infant

  • Necrotizing Enterocolitis (NEC)

  • hernia of

  • Abdominal Wall Hernias

  • incarceration of

  • Abdominal Wall Hernias: Incarceration and Strangulation

  • inguinal hernia of

  • Abdominal Wall Hernias: Inguinal Hernia
    What Is an Inguinal Hernia?Figures

  • ischemia of

  • Occlusive Peripheral Arterial Disease: Superior Mesenteric Artery
    When the Blood Supply to the Intestine Is BlockedFigures
    Occlusive Peripheral Arterial Disease: Superior Mesenteric Artery

  • malrotation of

  • Digestive Tract Defects: Intestinal Malrotation

  • obstruction of

  • Intestinal Obstruction
    What Causes Intestinal Strangulation?Figures

  • in children

  • Abdominal Pain in Newborns, Infants, and Young ChildrenTables

  • constipation and

  • Constipation: Causes

  • constipation with

  • Constipation: What the doctor doesTables

  • in dying person

  • Symptoms During a Fatal Illness: Nausea and Vomiting

  • nausea and vomiting with

  • Some Causes and Features of Nausea and VomitingTables

  • during pregnancy

  • Disorders That Require Surgery During Pregnancy: Obstruction of the intestine

  • perforation of

  • Perforation of the Digestive Tract
    Some Causes of PerforationTables

  • strangulation of

  • Abdominal Wall Hernias: Incarceration and Strangulation

    Intimacy

  • aging and

  • IntimacySidebar

    Intoxication

    see Alcohol use and abuse; Poisoning; Toxins

    Intracerebral hematoma

    Intracranial Hematomas: Intracerebral Hematomas

    Intracerebral hemorrhage

    Bursts and Breaks: Causes of Hemorrhagic StrokeFigures
    Hemorrhagic Stroke: Intracerebral Hemorrhage

  • headache with

  • Some Causes and Features of HeadachesTables

    Intracorneal ring segments

    Refractive Disorders: Other Refractive Surgery

    Intracranial hemorrhage

    Hemorrhagic Stroke
    Bursts and Breaks: Causes of Hemorrhagic StrokeFigures
    Herniation: The Brain Under PressureFigures
    Intracranial Hematomas
    Pockets of Blood in the BrainFigures

    Intraductal papilloma

    Nipple Discharge: What the doctor doesTables

    Intramuscular route, of drug administration

    Through the SkinFigures
    Drug Administration: Injection Routes

    Intraocular lens, implantation of

    Refractive Disorders: Other Refractive Surgery
    Cataract: Treatment

    Intraocular pressure

  • increased (glaucoma)

  • see also Glaucoma
    Glaucoma
    Drugs Used to Treat GlaucomaTables

  • measurement of

  • Glaucoma: Screening and Diagnosis

    Intrathecal route, of drug administration

    Drug Administration: Injection Routes

    Intrauterine device (IUD)

    How Effective Is Contraception?Tables
    Comparing Contraceptive MethodsTables
    Family Planning: Intrauterine Devices
    Understanding Intrauterine DevicesFigures

  • menstrual cramps and

  • Some Causes and Features of Menstrual CrampsTables

    Intrauterine insemination

    Problems With Mucus in the Cervix: Treatment

    Intravenous route

  • for drug administration

  • Through the SkinFigures
    Drug Administration: Injection Routes
    Antibiotics: Home Antibiotic Therapy

  • for nutrient administration

  • Undernutrition: Intravenous feeding

    Intravenous urography

    Diagnosis of Kidney and Urinary Tract Disorders: Intravenous Urography
    Diagnostic ProceduresTables

    Intrinsic factor

    Gastritis: Symptoms and Complications

    Introitus

    External Female Genital OrgansFigures
    Female External Genital Organs

    Intubation

    see Tube

    Intussusception

    Abdominal Pain in Newborns, Infants, and Young ChildrenTables
    Intestinal Obstruction: Causes
    What Causes Intestinal Strangulation?Figures
    What Is Intussusception?Figures

  • in children

  • Crying: Medical disorders
    Some Medical Disorders That Cause Excessive Crying in Infants and Young Children*Tables
    Some Causes and Features of Vomiting in Infants, Children, and AdolescentsTables
    Intussusception

    In vitro fertilization

    Problems With Sperm: Treatment
    Assisted Reproductive Techniques: In vitro (test tube) fertilization (IVF)

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