Skip to main content

West Nile Virus Infection

Medically reviewed by Drugs.com. Last updated on May 4, 2025.

West Nile virus (WNV) is carried by mosquitoes. The virus spreads to humans when they are bitten by infected mosquitoes. The virus can be passed from one person to another through blood transfusions or organ transplants. An infected mother who is pregnant or breastfeeding may pass the virus to her child.

WHILE YOU ARE HERE:

Informed consent

is a legal document that explains the tests, treatments, or procedures that you may need. Informed consent means you understand what will be done and can make decisions about what you want. You give your permission when you sign the consent form. You can have someone sign this form for you if you are not able to sign it. You have the right to understand your medical care in words you know. Before you sign the consent form, understand the risks and benefits of what will be done. Make sure all your questions are answered.

A neurologic exam

can show healthcare providers how well your brain works after an injury or illness. A provider will check how your pupils react to light. The provider may check your memory and how easily you wake up. Your hand grasp and balance may also be tested.

Medicines:

Tests:

Respiratory support:

RISKS:

If WNV spreads to your brain (viral encephalitis), it may damage your brain and spinal cord. You may have problems with hearing, seeing, talking, or learning. It may cause seizures or paralysis, and can become life-threatening.

CARE AGREEMENT:

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment.

© Copyright Merative 2025 Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

Learn more about West Nile Virus Infection

Treatment options

Care guides

Symptoms and treatments

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.