Index: VI: Merck Manual Home Edition

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Vibrio infection		Microorganisms That Cause Gastroenteritis Cholera

Vicious circle, in behavioral problems		Behavioral Problems Due to Parenting Problems

Vidarabine		Antiviral Drugs

Video-assisted thoracoscopic surgery (VATS)		Pleural Effusion: Diagnosis

Vinblastine

during pregnancy		Some Drugs That Can Cause Problems During Pregnancy*

Vincent's infection		Trench Mouth

Vincristine		Chemotherapy Drugs

during pregnancy		Some Drugs That Can Cause Problems During Pregnancy*

Vinorelbine		Chemotherapy Drugs

Violence

amaong adolescents		Gang Membership and Violence

against self (suicide)		Depression: Suicide Suicidal Behavior Risk Factors for Suicide Suicide Intervention: National Suicide Prevention Lifeline

against women		Violence Against Women Children Who Witness Domestic Violence

among adolescents		Behavioral Problems in Adolescents

toward children		Child Neglect and Abuse

Violin spider bite		Spider Bites

Vipoma		Diarrhea in Adults: Classification Pancreatic Endocrine Tumors: Vipoma

Viral infection		see also specific viral infections Types of Infectious Organisms Viral Infections Antiviral Drugs

AIDS		see HIV infection

arbovirus		Encephalitis

brain		Viral Meningitis Viral Central Nervous System Infections in Children

bronchial		Acute Bronchitis Understanding Bronchitis Respiratory Tract Infections in Children Bronchiolitis

cancer and		Risk Factors for Cancer: Infections Prevention and Treatment of Cancer Viruses and Cancer: A Link*

central nervous system		Viral Meningitis Viral Central Nervous System Infections in Children

common cold		see Cold, common

conjunctivitis		Infectious Conjunctivitis What Is Pinkeye?

encephalitis		Who Should Receive the Rabies Vaccine? Encephalitis

eye		Infectious Conjunctivitis What Is Pinkeye?

fever with		Fever in Infants and Children: What the doctor does

gastritis		Gastritis: Causes

gastroenteritis		Gastroenteritis: Viruses Microorganisms That Cause Gastroenteritis

in children		Gastroenteritis in Children

gums and		Gingivitis: Gingivitis Due to Infections

heart		Dilated Cardiomyopathy: Causes

hepatitis		Hepatitis The Hepatitis Viruses

herpes		see Herpes simplex virus infection

HIV		see HIV infection

in infants and children		Viral Infections in Infants and Children Some Viral Infections At a Glance Enteroviral Infections: Common in Childhood

JC virus		Progressive Multifocal Leukoencephalopathy

keratitis		Herpes Simplex Keratitis

laryngitis		Laryngitis

lung		Acute Bronchitis Understanding Bronchitis Pneumonia: Treatment Community-Acquired Pneumonia: Viruses Respiratory Tract Infections in Children Bronchiolitis

meningitis		Viral Meningitis

myocardial		Dilated Cardiomyopathy: Causes

nephrotic syndrome with		Nephrotic Syndrome: Causes

in newborn		Some Infections of Newborns

pneumonia		Pneumonia: Treatment Community-Acquired Pneumonia: Viruses

during pregnancy		Infections During Pregnancy

rabies		Rabies Who Should Receive the Rabies Vaccine?

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 Gastroenteritis

subacute painful thyroiditis		Subacute Thyroiditis

susceptibility testing in		Diagnosis of Infectious Diseases: Culture and Susceptibility Testing

urinary tract		Urinary Tract Infections (UTI): Viruses

Viral load, in HIV infection		Human Immunodeficiency Virus HIV Infection: Viral Load Human Immunodeficiency Virus HIV Infection: Diagnosis

Virilization		Virilization Hairiness Some Causes and Features of Hirsutism

in congenital adrenal hyperplasia		Genital Defects: Female Genital Defects

in polycystic ovary syndrome		Polycystic Ovary Syndrome: Symptoms

Virulence, of infection		Development of Infection

Virus		Viral Infections

Viscera		see and specific organs

Visceral larva migrans		Community-Acquired Pneumonia: Parasites Toxocariasis

Vision		see also Blindness; Eye(s)

acuity of		The Eye Examination: Refraction Refractive Disorders: Symptoms and Diagnosis

age-associated changes in		Effects of Aging on the Eyes Changes in the Body With Aging: Eyes How the Body Ages: Some Normal Changes

astigmatic		What Is Astigmatism?

blurred		Vision, Blurred Some Causes and Features of Blurred Vision

distortion of		What Is Astigmatism?

double (diplopia)		Vision, Double Some Causes of Double Vision When Both Eyes Are Open

in Graves' disease		Hyperthyroidism: Symptoms Hyperthyroidism: Prognosis and Treatment

in Leber's hereditary optic neuropathy		Other Primary Demyelinating Diseases: Leber's Hereditary Optic Neuropathy

loss of		Vision Loss, Sudden How and Why Blindness Develops Some Causes and Features of Sudden Loss of Vision

in acromegaly		Acromegaly and Gigantism: Symptoms

in cataract		Cataract How Cataracts Affect Vision

in children		Amblyopia

in diabetes mellitus		Diabetes Mellitus (DM): Complications Long-Term Complications of Diabetes Diabetic Retinopathy

in glaucoma		Glaucoma: Symptoms

in idiopathic intracranial hypertension		Idiopathic Intracranial Hypertension: Symptoms

information resources on

in macular degeneration		Age-Related Macular Degeneration

in optic nerve disorders		Optic Nerve Disorders Visual Pathways and the Consequences of Damage Ischemic Optic Neuropathy: Symptoms

in papilledema		Papilledema: Symptoms

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 Branches: Symptoms

in retinal detachment		Detachment of the Retina: Symptoms and Diagnosis

in retinal vein blockage		Blockage of Central Retinal Veins and Branches: Symptoms

in retinitis pigmentosa		Retinitis Pigmentosa

trachoma and		Trachoma

in vitamin A deficiency		Vitamin A: Symptoms

in multiple sclerosis		Multiple Sclerosis (MS): Symptoms Common Symptoms of Multiple Sclerosis

refractive disorders		Understanding Refraction

refractive disorders and		What Is Astigmatism? The Eye Examination: Refraction Refractive Disorders

refractivedisordersof]		Some Causes and Features of Blurred Vision

screening tests and		Selected Screening Schedule for Adults*^,† Vision, Blurred: What the doctor does

visual fields and		Tracing the Visual Pathways

Visual field

defects of		When the Visual Pathways Are Damaged

Visual fields		Tracing the Visual Pathways

Visual field testing		The Eye Examination: Visual Field Testing Glaucoma: Screening and Diagnosis

Visual pathways		Tracing the Visual Pathways Visual Pathways and the Consequences of Damage

Vitamin(s)		Vitamins and Minerals Vitamins Vitamins

deficiency of		see also specific vitamins

drug use and		Some Drugs That Cause Vitamin Deficiency

fat vs water soluble		Vitamins: Fat Versus Water Soluble

supplements of		see also specific vitamins

Vitamin A (retinol)		Vitamins Vitamin A

acute promyelocytic leukemia and		Acute Myelocytic Leukemia (AML): Treatment

deficiency of		Symptoms of Nutrient Deficiencies Vitamin A: Vitamin A Deficiency

corneal disorders with		Corneal Ulcer Keratomalacia

excess of		Vitamin A: Vitamin A Excess

measles and		Measles: Treatment

reference range for		Blood Tests*

tobacco use and		Age-Related Macular Degeneration : Dietary supplements

Vitamin B₁ (thiamin)		Vitamins Thiamin

deficiency of		Symptoms of Nutrient Deficiencies Thiamin: Thiamin Deficiency

Vitamin B₂ (riboflavin)		Vitamins Riboflavin

deficiency of		Symptoms of Nutrient Deficiencies Riboflavin: Riboflavin Deficiency

Vitamin B₆ (pyridoxine)		Vitamins Vitamin B₆

deficiency of		Vitamin B₆: Vitamin B₆ Deficiency

excess of		Vitamin B₆: Vitamin B₆ Excess

Vitamin B₁₂ (cobalamin)		Vitamins Vitamin B₁₂

deficiency of		Symptoms of Nutrient Deficiencies Vitamin B₁₂: Vitamin B₁₂ Deficiency

anemia with		Vitamin Deficiency Anemia

in celiac disease		Celiac Disease: Symptoms

in gastritis		Gastritis: Symptoms and Complications

spinal cord degeneration with		Subacute Combined Degeneration

supplementation with		Vitamin Deficiency Anemia: Treatment

Vitamin B₃ (niacin), deficiency of		Symptoms of Nutrient Deficiencies

gingivitis with		Gingivitis: Gingivitis Due to Vitamin Deficiency

red tongue with		Tongue Disorders: Discoloration

Vitamin C (ascorbic acid)		Vitamins Vitamin C

in common cold		Common Cold: Treatment

deficiency of		Symptoms of Nutrient Deficiencies 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*

Vitamin D		Vitamins Vitamin D

cancer risk and		Diet and Cancer: Vitamin D

deficiency of		Symptoms of Nutrient Deficiencies Vitamin D: Vitamin D Deficiency

in elderly		Spotlight on Aging

excess of		Vitamin D: Vitamin D Excess

in hypophosphatemic rickets		Hypophosphatemic Rickets: Treatment

kidney metabolism of		Kidneys: Secretion of hormones

for newborn		Feeding of Newborns and Infants: Benefits of Breastfeeding

in osteoporosis prevention		Osteoporosis: Diet and exercise

overdose of		Calcium: Causes

in Paget disease of bone		Paget Disease of Bone: Treatment

Vitamin E		Vitamins Vitamin E

in Alzheimer's disease		Dementia: Treatment

deficiency of		Vitamin E: Vitamin E Deficiency

excess of		Vitamin E: Vitamin E Excess

Vitamin K		Vitamins Vitamin K

deficiency of		Symptoms of Nutrient Deficiencies Vitamin K: Vitamin K Deficiency

for newborn		Newborns and Infants

Vitiligo		Vitiligo

Vitrectomy		Diabetic Retinopathy: Treatment

Vitreous humor		An Inside Look at the Eye Biology of the Eyes

floaters and		Some Causes and Features of Eye Floaters

hemorrhage of		Some Causes and Features of Sudden Loss of Vision

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