v-z library

Diseases and Medical Conditions V-Z provides down-to-earth, comprehensive definitions of hundreds of ailments and illnesses beginning with the letters V-Z. Each listing identifies causes, incidence and risk factors, notes symptoms, outlines tests and discusses treatments and support groups where applicable.

Featured Article: Visceral Larva Migrans

Visceral larva migrans is an infection with a parasitic larva. Learn about visceral larva mirgrans causes, symptoms, treatment and prevention. See more »

West Nile Virus

West Nile Virus

West Nile virus is a mild to severe mosquito borne microorganism called a flavivirus. Learn about West Nile virus causes, symptoms, tests, treatment and prevention.

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Vaccine Reaction

Vaccine reaction, a rare occurrence, is an injury or condition resulting from a vaccination. Learn about vaccine reaction causes, symptoms, tests, treatment and prevention.

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Vaginal Cysts

Vaginal cysts are semisolid or fluid filled sacs in or under the vagina ranging in size and type. Learn about vaginal cysts causes, symptoms, tests, treatment and prevention.

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Vaginal Tumors

Vaginal tumors are abnormal tissue growths that arise in the vagina. Learn about vaginal tumor causes, symptoms, treatment and prevention.

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Vaginal Yeast Infection

Vaginal yeast infections are bacterial infections caused by unbalanced microorganism populations. Learn about yeast infection causes, symptoms, tests, treatment and prevention.

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Vaginismus

Vaginismus is an involuntary vaginal muscle spasm causing sexual complications. Learn about vaginismus causes, symptoms, tests, treatment and prevention.

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Varicocele

Varicoceles are formed by dilated blood vessels along the spermatic cord and may cause infertility. Learn about varicocele causes, symptoms, tests, treatment and prevention.

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Varicose Veins

Varicose veins are twisted, painful veins as a result of blood pools from malfunctioning valves. Learn about varicose vein causes, symptoms, tests, treatment and prevention.

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Vascular Spasm

Vascular Spasm information from HowStuffWorks. Learn about causes, symptoms and treatments of Vascular Spasm.

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Vasomotor Rhinitis

Vasomotor rhinitis is constant runny nose, sneezing and nasal congestion with no know reason. Learn about vasomotor rhinitis causes, symptoms, treatment and prevention.

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Venous Insufficiency

Venous insufficiency occurs when the veins have trouble sending blood from the legs up to the heart. Learn about venous insufficiency causes, symptoms, treatment and prevention.

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Ventricular Fibrillation

Ventricular fibrillation or VF is a severe heart condition where abnormal heart rythms cause death. Learn about ventricular fibrillation causes, symptoms, tests, treatment and prevention.

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Ventricular Septal Defect

Ventricular septal defect (VSD) is one or more holes in the wall separating the left and right heart ventricles. Learn about ventricular septal defect causes, symptoms, treatment and prevention.

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Ventricular Tachycardia

Ventricular tachycardia is a rapid heart beat initiated from within the ventricles. Learn about ventricular tachycardia causes, symptoms, treatment and prevention.

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Vernal Conjunctivitis

Vernal conjunctivitis is the inflammation of the outer eye thought to be caused by allergies. Learn about vernal conjunctivitis causes, symptoms, tests, treatment and prevention.

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Vertebrobasilar Circulatory Disorders

Vertebrobasilar circulatory disorders is a group of disorders blocking bloodflow to the back of the brain. Learn about vertebrobasilar circulatory disorder causes, symptoms, tests, treatment and prevention.

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Vertigo-associated Disorders

Vertigo-associated disorders involve a false sensation of spinning or motion. Learn about vertigo-associated disorder causes, symptoms, treatment and prevention.

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VIPoma

VIPoma information from HowStuffWorks. Learn about causes, symptoms and treatments of VIPoma.

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Viral Arthritis

Viral arthritis is discomfort and inflammation of joints due to a virus or after a vaccination. Learn about viral arthritis causes, symptoms, tests, treatment and prevention.

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Viral Encephalitis In-Depth

Viral arthritis is discomfort and inflammation of joints due to a virus or after a vaccination. Learn about viral arthritis causes, symptoms, tests, treatment and prevention.

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