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THE MERCK MANUAL MEDICAL LIBRARY: The Merck Manual of Medical Information--Home Edition
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Vi

Vibrio infection

Microorganisms That Cause GastroenteritisTables
Cholera

  • immunization for

  • Protecting Against DiseaseTables

    Vicious circle, in behavioral problems

    Behavioral Problems due to Parenting ProblemsSidebar

    Vidarabine

    Antiviral DrugsTables

    Vigabatrin

    Drugs Used to Treat SeizuresTables

    Vinblastine

  • during pregnancy

  • Some Drugs That Can Cause Problems During PregnancyTables

    Vincent's infection

    Trench Mouth (ANUG)

    Vincristine

    Chemotherapy DrugsTables

  • during pregnancy

  • Some Drugs That Can Cause Problems During PregnancyTables

    Vinorelbine

    Chemotherapy DrugsTables

    Violence

  • against self (suicide)

  • Depression: Symptoms
    Suicidal Behavior
    Suicidal Behavior
    High-Risk Factors for SuicideSidebar
    Suicide Intervention: Crisis Hot LinesSidebar

  • against women

  • Violence Against Women
    Children Who Witness Domestic ViolenceSidebar

  • among adolescents

  • Behavioral Problems

  • toward children

  • Child Neglect and Abuse

    Violin spider bite

    Spider Bites

    Vipoma

    Symptoms: Causes
    Pancreatic Endocrine Tumors: Vipoma

    Viral infection

    see also specific viral infections
    Types of Infectious OrganismsSidebar
    Viral Infections
    Antiviral DrugsTables

  • AIDS

  • see HIV infection

  • arbovirus

  • Viral Infections: Arbovirus Encephalitis

  • arenavirus

  • Viral Infections: Lymphocytic Choriomeningitis

  • brain

  • Viral Infections
    Central Nervous System Infections

  • bronchial

  • Bronchitis
    Understanding BronchitisFigures
    Respiratory Tract Infections
    Bronchiolitis

  • cancer and

  • Risk Factors: Viral Infections
    Prevention
    Viruses and Cancer: A Link Tables

  • central nervous system

  • Viral Infections
    Central Nervous System Infections

  • common cold

  • see Cold, common

  • conjunctivitis

  • Conjunctivitis
    What Is Pinkeye?Sidebar

  • encephalitis

  • Viral Infections
    Who Should Receive a Rabies Vaccine?Sidebar

  • eye

  • Conjunctivitis
    What Is Pinkeye?Sidebar

  • gastritis

  • Gastritis: Causes

  • gastroenteritis

  • Gastroenteritis: Viruses
    Microorganisms That Cause GastroenteritisTables

  • in children

  • Gastroenteritis

  • gums

  • Gingivitis: Gingivitis due to Infections

  • heart

  • Dilated Cardiomyopathy: Causes

  • hepatitis

  • Hepatitis
    The Hepatitis Viruses Tables

  • herpes

  • see Herpes simplex virus infection

  • HIV

  • see HIV infection

  • in infants and children

  • Viral Infections
    What Is Reye's Syndrome?Sidebar
    Some Viral Infections At a GlanceTables
    Enteroviral Infections: Common in ChildhoodSidebar
    What Is Kawasaki Disease?Sidebar

  • JC virus

  • Viral Infections: Progressive Multifocal Leukoencephalopathy

  • keratitis

  • Herpes Simplex Keratitis

  • laryngitis

  • Laryngitis

  • lung

  • Bronchitis
    Understanding BronchitisFigures
    Pneumonia: Prevention and Treatment
    Community-Acquired Pneumonia: Viral Pneumonia
    Drugs Used for Viral PneumoniasSidebar
    Respiratory Tract Infections
    Bronchiolitis

  • meningitis

  • Viral Infections

  • myocardial

  • Dilated Cardiomyopathy: Causes

  • nephrotic syndrome with

  • Nephrotic Syndrome: Causes

  • in newborn

  • Some Infections of NewbornsTables

  • pneumonia

  • Pneumonia: Prevention and Treatment
    Community-Acquired Pneumonia: Viral Pneumonia
    Drugs Used for Viral PneumoniasSidebar

  • during pregnancy

  • Risk Factors That Develop During Pregnancy: Infections

  • rabies

  • Viral Infections: Rabies
    Who Should Receive a Rabies Vaccine?Sidebar

  • rectal

  • Proctitis

  • sexually transmitted

  • see Sexually transmitted diseases
    Human Immunodeficiency Virus (HIV) Infection
    Genital Warts

  • skin

  • Viral Skin Infections

  • stomach

  • Gastritis: Causes
    Gastroenteritis: Viruses
    Microorganisms That Cause GastroenteritisTables
    Gastroenteritis: Causes

  • subacute painful thyroiditis

  • Thyroiditis: Subacute Painful Thyroiditis

  • urinary tract

  • Urinary Tract Infections (UTI): Viruses

    Viral load, in HIV infection

    Human Immunodeficiency Virus (HIV) Infection: Mechanism of Infection
    Human Immunodeficiency Virus (HIV) Infection: Diagnosis

    Virchow's triad

    Deep Vein Thrombosis (DVT): Causes

    Virilization

    Virilization
    Symptoms: Excessive Hairiness (Hirsutism)

  • in congenital adrenal hyperplasia

  • Genital Defects: Female Genital Defects

  • in polycystic ovary syndrome

  • Polycystic Ovary Syndrome (PCOS): Symptoms and Diagnosis

    Virulence, of infection

    Development of Infection

    Virus

    Viral Infections

    Viscera

    see and specific organs

    Visceral larva migrans

    Toxocariasis

    Vision

    see also Blindness; Eye(s)

  • acuity of

  • Diagnosis: Refraction
    Refractive Disorders: Symptoms and Diagnosis

  • age-associated changes in

  • Changes in the Body: Eyes
    How the Body Ages: Some Normal ChangesTables
    Effects of Aging

  • astigmatic

  • What Is Astigmatism?Figures
    Symptoms: Refractive Error

  • in benign intracranial hypertension

  • What Is Pseudotumor Cerebri?Sidebar

  • distortion of

  • Symptoms: Distortion of Vision
    What Is Astigmatism?Figures

  • double (diplopia)

  • Symptoms: Double Vision (Diplopia)

  • in Graves' disease

  • Hyperthyroidism: Symptoms
    Hyperthyroidism: Prognosis and Treatment

  • in Leber's hereditary optic neuropathy

  • Other Primary Demyelinating Diseases

  • loss of

  • Symptoms: Loss of Vision
    How and Why Blindness DevelopsSidebar

  • in acromegaly

  • Acromegaly and Gigantism: Symptoms

  • in cataract

  • Cataract
    How Cataracts Affect VisionFigures

  • in children

  • Amblyopia

  • in diabetes mellitus

  • Diabetes Mellitus (DM): Complications
    Long-Term Complications of Diabetes Tables
    Diabetic Retinopathy

  • in endophthalmitis

  • Endophthalmitis

  • in glaucoma

  • Glaucoma: Symptoms

  • information resources on

  • Ba - Br

  • in macular degeneration

  • Age-Related Macular Degeneration (ARMD)

  • in optic nerve disorders

  • Optic Nerve Disorders
    Some Patterns of Vision LossSidebar
    Optic Neuropathy

  • in papilledema

  • Papilledema

  • in pituitary gland enlargement

  • Enlargement of the Pituitary Gland
    Galactorrhea: Symptoms

  • in prolactinoma

  • Galactorrhea: Symptoms

  • in retinal artery blockage

  • Blockage of Central Retinal Arteries and Veins

  • in retinal detachment

  • Detachment of the Retina: Symptoms

  • in retinal vein blockage

  • Blockage of Central Retinal Arteries and Veins

  • in retinitis pigmentosa

  • Retinitis Pigmentosa

  • trachoma and

  • Trachoma

  • in vitamin A deficiency

  • Vitamin A: Symptoms

  • in multiple sclerosis

  • Multiple Sclerosis (MS): Symptoms

  • refractive disorders

  • Understanding RefractionFigures

  • refractive disorders and

  • What Is Astigmatism?Figures
    Symptoms: Refractive Error
    Diagnosis: Refraction
    Refractive Disorders

  • screening tests and

  • Selected Screening Schedule for AdultsTables

  • visual fields and

  • Tracing the Visual PathwaysFigures

    Visual field defects

    Symptoms: Loss of Vision
    When the Visual Pathways Are DamagedFigures

    Visual fields

    Tracing the Visual PathwaysFigures

    Visual field testing

    Diagnosis: Visual Field Testing
    Glaucoma: Screening and Diagnosis

    Visual pathways

    Tracing the Visual PathwaysFigures

    Vitamin(s)

    Vitamins and Minerals
    Vitamins
    VitaminsTables

  • deficiency of

  • see also specific vitamins

  • drug use and

  • Some Drugs That Cause Vitamin DeficiencyTables

  • fat vs water soluble

  • Vitamins: Fat Versus Water SolubleSidebar

  • supplements of

  • see also specific vitamins

    Vitamin A (retinol)

    VitaminsTables
    Vitamin A

  • acute promyelocytic leukemia and

  • Acute Myelocytic Leukemia (AML): Prognosis and Treatment

  • deficiency of

  • Symptoms of Nutrient DeficienciesTables
    Vitamin A: Vitamin A Deficiency

  • corneal disorders with

  • Corneal Ulcer
    Keratomalacia

  • excess of

  • Vitamin A: Vitamin A Excess

  • leukemia and

  • Acute Myelocytic Leukemia (AML)

  • measles and

  • Measles: Treatment

  • reference range for

  • Blood Tests Tables

    Vitamin B1 (thiamin)

    VitaminsTables
    Thiamin

  • deficiency of

  • Symptoms of Nutrient DeficienciesTables
    Thiamin: Thiamin Deficiency

  • in maple syrup urine disease

  • Amino Acid Metabolism: Maple Syrup Urine Disease

  • in Wernicke's encephalopathy

  • Specific Types of Dysfunction: Amnesia

    Vitamin B2 (riboflavin)

    VitaminsTables
    Riboflavin

  • deficiency of

  • Symptoms of Nutrient DeficienciesTables
    Riboflavin: Riboflavin Deficiency

    Vitamin B6 (pyridoxine)

    VitaminsTables
    Vitamin B6

  • deficiency of

  • Vitamin B6: Vitamin B6 Deficiency

  • excess of

  • Vitamin B6: Vitamin B6 Excess

    Vitamin B12 (cobalamin)

    VitaminsTables
    Vitamin B12

  • deficiency of

  • Symptoms of Nutrient DeficienciesTables
    Vitamin B12: Vitamin B12 Deficiency

  • anemia with

  • Vitamin Deficiency Anemia

  • in celiac disease

  • Celiac Sprue: Symptoms

  • in gastritis

  • Gastritis: Symptoms and Complications

  • spinal cord degeneration with

  • Subacute Combined Degeneration

  • in homocystinuria

  • Amino Acid Metabolism: Homocystinuria

  • supplementation with

  • Vitamin Deficiency Anemia
    Vitamin Deficiency Anemia: Treatment

    Vitamin B3 (niacin), deficiency of

    Symptoms of Nutrient DeficienciesTables

  • gingivitis with

  • Gingivitis: Gingivitis due to Vitamin Deficiency

  • red tongue with

  • Tongue Disorders: Discoloration

    Vitamin C (ascorbic acid)

    VitaminsTables
    Vitamin C

  • in common cold

  • Common Cold: Treatment

  • deficiency of

  • Symptoms of Nutrient DeficienciesTables
    Vitamin C: Vitamin C Deficiency

  • gingivitis with

  • Gingivitis: Gingivitis due to Vitamin Deficiency

  • drug interactions of

  • Drug Interactions: Alteration

  • excess of

  • Vitamin C: Vitamin C Excess
    Vitamin C: Vitamin C Excess

  • reference range for

  • Blood Tests Tables

    Vitamin D

    VitaminsTables
    Vitamin D

  • cancer risk and

  • Diet and Cancer: Vitamin D

  • deficiency of

  • Symptoms of Nutrient DeficienciesTables
    Vitamin D: Vitamin D Deficiency

  • in elderly

  • Spotlight on AgingSidebar

  • excess of

  • Vitamin D: Vitamin D Excess

  • in hypophosphatemic rickets

  • Hypophosphatemic Rickets: Treatment

  • kidney metabolism of

  • Kidneys: Secretion of Hormones

  • for newborn

  • Feeding: Benefits of Breastfeeding

  • in osteoporosis prevention

  • Osteoporosis: Diet and Exercise

  • overdose of

  • Calcium: Hypercalcemia

  • in Paget's disease of bone

  • Paget's Disease of Bone: Treatment

    Vitamin E

    VitaminsTables
    Vitamin E

  • deficiency of

  • Vitamin E: Vitamin E Deficiency

  • excess of

  • Vitamin E: Vitamin E Excess

    Vitamin K

    VitaminsTables
    Vitamin K

  • deficiency of

  • Symptoms of Nutrient DeficienciesTables
    Vitamin K: Vitamin K Deficiency

  • for newborn

  • Initial Care

    Vitiligo

    Vitiligo

    Vitrectomy

    Diabetic Retinopathy: Prevention and Treatment

    Vitreous humor

    An Inside Look at the EyeFigures
    Structure and Function

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