eMedTV Health Topics A-Z

Vibrio Cholerae

Vibrio cholerae is the bacterium that causes cholera. As this eMedTV article explains, the bacterium is usually transmitted by eating or drinking contaminated food or water. The prevalence of cholera worldwide is also discussed.

Vibrio Parahaemolyticus

Vibrio parahaemolyticus bacteria can cause gastrointestinal illness such as diarrhea. This section of the eMedTV library discusses the symptoms, treatment, and prevention of this type of bacteria and lists other illnesses caused by it.

Vibrio Vulnificus

Vibrio vulnificus is a bacterium that can cause illnesses such as sepsis and wound infections. This eMedTV segment discusses these types of infections and explains the transmission, incubation period, symptoms, and treatment options.

Vicodin

Vicodin is approved for the treatment of moderate to moderately severe pain. This eMedTV page takes an in-depth look at Vicodin, including information on how it works, tips on when and how to take it, possible side effects, and general precautions.

Videx

Videx is a prescription medication used to treat HIV and AIDS by preventing the HIV virus from multiplying. This eMedTV article provides detailed information on Videx, including potential side effects and important tips for taking the drug.

VigRX

VigRX is an herbal supplement claimed to provide natural "male enhancement." This article from the eMedTV library explores the possible effects of this supplement, explains what side effects may occur, and discusses the effectiveness of this product.

VigRX Plus

VigRX Plus is a "natural male enhancement" supplement that is claimed to treat impotence. This eMedTV Web article offers an overview of VigRX Plus, including information on the safety and effectiveness of this product, as well as possible side effects.

Vimpat

Vimpat is a medication prescribed to treat partial seizures. This selection from the eMedTV Web library takes an in-depth look at how the drug works and further explores its effects, potential side effects, general precautions, and dosage information.

Viracept

Viracept is a medicine that is often used in combination with other drugs as part of an HIV "cocktail." This eMedTV page explains how the drug works for treating HIV and AIDS, offers dosing information, and lists possible side effects.

Viral Encephalitis

West Nile virus is a form of viral encephalitis, a group of illnesses that cause brain swelling. This eMedTV selection covers encephalitis that is caused by a virus, including information on how to prevent it and how to recognize its symptoms.

Viral Hepatitis

Viral hepatitis is liver inflammation caused by a virus. This eMedTV article takes an in-depth look at the various forms of hepatitis -- hepatitis A, B, C, D, and others -- including information on treatment, prevention, diagnosis, and more.

Viral Meningitis

Viral meningitis is a serious but rarely fatal form of meningitis. As this eMedTV page explains, it's a lot like bacterial meningitis, except it's caused by a virus and it has no specific treatment. This page provides an overview of viral meningitis.

Viramune

Viramune is a prescription medication that is used for treating HIV and AIDS. This eMedTV page explains how Viramune helps prevent HIV from spreading to uninfected cells, lists possible side effects of the drug, and offers general dosing information.

Viread

Viread is a prescription HIV, AIDS, and hepatitis B drug. This eMedTV page discusses the medication in more detail, including information on how it works, when and how to take it, and what you should know before starting treatment.

Visken

Visken is a beta blocker medicine often prescribed for the treatment of high blood pressure. This eMedTV Web page explains how the medication works and offers a more in-depth look at the drug's effects, dosing guidelines, and potential side effects.

Vistaril

Vistaril is a prescribed antihistamine that has several uses, such as treating certain allergic reactions. This eMedTV segment discusses the drug's uses in more detail, explains how it works, and explains what forms and strengths this product comes in.

Vitamin A

Vitamin A is a fat-soluble vitamin necessary for a healthy immune system and good vision. This eMedTV resource explores other benefits of this vitamin, lists some of its potential side effects, and explains when supplementation is necessary.

Vitamin B12

Vitamin B12 is important for healthy nerve and blood cells, as well as for making DNA. This eMedTV resource explores other benefits of this vitamin, explains what forms it comes in, and discusses the effectiveness of this product.

Vitamin B12 Deficiency

Potential signs of a vitamin B12 deficiency include weight loss, anemia, and weakness. This eMedTV segment lists other potential symptoms of a vitamin B12 deficiency and explains who is at a higher risk for developing this problem.

Vitamin B6

Vitamin B6 is essential for the formation of hemoglobin, an important part of red blood cells. This eMedTV resource further explains what vitamin B6 is used for, explores the product's effectiveness, and lists side effects that may occur.

Vitamin B6 Deficiency

A vitamin B6 (pyridoxine) deficiency is potentially serious but can be treated easily. This page on the eMedTV site lists possible signs of a vitamin B6 deficiency, explores risk factors for the problem, and explains what treatments are available.

Vitamin C

Many people take vitamin C to prevent or treat a cold. This eMedTV article provides an overview of vitamin C, describing the effects that it may have on the body and also discussing its safety and effectiveness.

Vitamin E

A fat-soluble vitamin, vitamin E is primarily used for its antioxidant activity. This eMedTV Web page explains how it works, describes the possible benefits of using vitamin E products, and offers general warnings and precautions for these products.

Vitex

Vitex is an herb that is claimed to be beneficial for several conditions, such as infertility and PMS. This eMedTV Web page provides an overview of this supplement, including information on its effectiveness, possible side effects, and safety concerns.

Vitiligo

Vitiligo is a skin disorder characterized by white patches that can appear on various parts of the body. This eMedTV resource provides an in-depth look at the condition, including possible causes, risk factors, symptoms, and treatment options.

Vitrectomy

A vitrectomy is a medical procedure where blood is removed from the center of the eye. This page on the eMedTV Web site takes an in-depth look at this procedure and explains why it is often used to treat proliferative retinopathy.

Vivactil

Vivactil is a prescription drug that is licensed to treat depression in adults. This page on the eMedTV site describes the drug in more detail, including an explanation of how the antidepressant works and a list of side effects that are possible.

Vivelle-Dot

Vivelle-Dot is an estrogen patch approved for treating common menopause symptoms. This eMedTV resource offers a more in-depth look at Vivelle-Dot and its other uses, dosing guidelines, potential side effects, and warnings and precautions.

VLDL

VLDL is short for very low density lipoprotein. This eMedTV Web page explains how this substance functions within the body, as well as its assumed role in the narrowing and hardening of the arteries (a condition called atherosclerosis).

Voltaren

Voltaren is used to treat symptoms of osteoarthritis and rheumatoid arthritis, such as pain and stiffness. This eMedTV article explains how the drug works, lists possible side effects, and offers things to consider before taking it.

Voltaren Gel

Voltaren Gel is a prescription NSAID approved for treating osteoarthritis. This eMedTV page explores this product in more detail, noting in particular its side effects, dosing guidelines, and some general precautions to be aware of before using the gel.

Voltaren Ophthalmic

Voltaren Ophthalmic is a prescription eye drop licensed to treat symptoms caused by specific eye surgeries. This eMedTV resource explains how the eye drops work, describes possible side effects, and covers some general dosing guidelines.

Voltaren-XR

Voltaren-XR is a prescription medicine commonly used to reduce pain, inflammation, and swelling. As this eMedTV resource explains, these are often seen with various forms of arthritis. The drug's effects, side effects, and more are also explained.