vinorelbine

Vinorelbine is used to treat non-small cell lung cancer, sometimes used in combination with other cancer medications. Vinorelbine may also be used for other purposes not listed in this medication guide.

Vinorelbine

Provides a summary of interactions with vitamins, herbs, and food

Vinpocetine

How to Use It Research has typically used 30 to 60 mg per day of vinpocetine. Taking vinpocetine with food appears to dramatically improve its absorption. 1. Where to Find It Vinpocetine is synthesized from vincamine, a constituent of the leaves of Vinca minor (lesser periwinkle) Possible Deficiencies Vinpocetine is not...

Violent Behavior

If you want to save this information but don't think it is safe to take it home, see if a trusted friend can keep it for you. Plan ahead. Know who you can call for help, and memorize the phone number. Be careful online too. Your online activity may be seen by others. Do not use your personal computer or device to read...

Violent Behavior in Children and Teens

Reviews the warning signs and risk factors for childhood violence. Provides tips for parents to help children and teens from becoming violent. Guides teens on managing their anger and what to do if they think another teen might become violent.

Viral Culture

A viral culture is a test to find viruses that can cause an infection. A sample of body fluid or tissue is collected and added to certain cells used to grow a virus. If no virus infects the cells, the culture is negative. If a virus that can cause infection infects the cells, the culture is positive. The type of virus...

Viral hemorrhagic fevers

Viral hemorrhagic fevers (VHFs) are diseases caused by several distinct viral families usually found in animals, especially certain rats and mice, or insects such as mosquitoes. But the origins of some viruses are not yet known. Viral hemorrhagic fevers affect multiple organs in the body and range from mild to...

Viral hepatitis

Viral (or aseptic) hepatitis is liver inflammation caused by infection with a virus. Common symptoms of hepatitis are pain below the right side of the rib cage, nausea, fatigue, jaundice (causing a yellowing of the skin and the whites of the eyes), and headache. All types of hepatitis damage liver cells. Hepatitis can...

Viral Hepatitis

What is viral hepatitis? Viral hepatitis is an inflammation of the liver caused by an infection with a virus. What causes it? Most cases of viral hepatitis are caused by hepatitis A, B, C, D, and E viruses. Less common causes of hepatitis are cytomegalovirus (CMV) and the Epstein-Barr virus. (This is a virus that causes...

Viral infection

A viral infection is caused by a virus and is often the cause of minor illness, such as a cold or a stomach infection. A viral infection usually causes many different symptoms that often come on quickly (over hours to a day or two) without prior illness. Viral infections that cause minor illnesses are usually not...

Viral pinkeye

Pinkeye (conjunctivitis) is redness and swelling of the mucous membrane (conjunctiva) that lines the eyelid and eye surface. The most common type (adenovirus) is caused by a virus and occurs most often in adults, occasionally causing a sore throat at the same time that pinkeye symptoms occur. Sometimes children with...

Viral Test for COVID-19

A COVID-19 viral test is a way to find out if you have COVID-19. The test looks for the virus in your breathing passages. There are different types of viral tests. One type looks for genetic material from the virus. This is usually called polymerase chain reaction (PCR). Another type looks for proteins on the virus...

Viral Tests

A viral test is done to find infection-causing viruses. Viruses grow only in living cells. Viruses cause disease by destroying or damaging the cells they infect, damaging the body's immune system, changing the genetic material ( DNA) of the cells they infect, or causing inflammation that can damage an organ. Viruses...

Virtual Colonoscopy

Discusses virtual colonoscopy (computed tomographic colonography). Explains how it differs from regular colonoscopy. Covers why it is done and when it might be chosen. Explains how it is done and what the results mean.

Virtual Reality Therapy

Virtual reality therapy is the use of computer-produced situations to make you believe and feel as though you are actually in a different place and situation. You may wear a helmet or goggles that contain a small video screen through which you see computer-produced images. When you move your head, the images on the...

Virus

A virus is a microscopic organism that causes infection and disease. Viral illnesses can range from mild to severe. Some examples are the common cold, West Nile virus, polio, and smallpox.

Vision Loss Evaluation

A low-vision evaluation will help you and your doctor find ways to make the best use of your remaining vision. Your doctor will ask questions to find out how your vision loss has affected your life and what changes you have already made to cope with reduced vision. Talk with your doctor about your needs and goals...

Vision Problems: Living With Poor Eyesight

Many things can cause low vision, including macular degeneration and glaucoma. When you can't see as well, daily life may feel more challenging. But you can do some things to stay independent and keep doing the activities you enjoy. You can start by making some changes to your home, like adding extra lighting. You can...

Vision Screening and Eye Exams for Adults

If you know that you are not at risk for eye disease and you don't have signs of vision problems, the American Academy of Ophthalmology recommends a complete eye exam to check for eye disease and vision problems: Every 5 to 10 years if you are younger than 40. Every 2 to 4 years if you are age 40 to 54. (Starting at age...

Vision Screening and Eye Exams for Children and Teens

All children need routine vision checks and eye exams with their pediatrician or family doctor. The American Academy of Pediatrics (AAP) and the American Academy of Ophthalmology (AAO) recommend that all children have an eye exam during the newborn period and again at all routine well-child visits. The U.S. Preventive...

Vision Tests

Vision tests check many different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check for gaps or defects in your field of vision, and evaluate your ability to see different colors. Others may check how sensitive you are to glare (brightness acuity), how well your...

vismodegib

Vismodegib is used in adults to treat basal cell carcinoma that has spread to other parts of the body (metastatic), or that has come back after surgery, or cannot be treated with surgery or radiation. Vismodegib may also be used for purposes not listed in this medication guide.

Visual accommodation

Accommodation is the ability of the lens of the eye to change shape, allowing for a change in focus from far to near. The lens, which is flexible, becomes more round to bring near objects into focus and flattens to bring distant objects into focus. With age, the lens of the eye loses some of its flexibility, reducing...

Visual acuity

Visual acuity is a measure of how well a person can focus on an object. To test visual acuity, the person may read letters or symbols on a chart from the top down, line by line, covering first one eye and then the other. A visual acuity score is a ratio comparing the person's performance to that of people who have...

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