Test To Confirm Shingles

The centers for disease control and prevention cdc cannot attest to the accuracy of a non federal website.

Test to confirm shingles.

Pcr can be used to detect vzv dna rapidly and sensitively and is now widely available. When you re exposed to varicella zoster your immune system makes proteins to fight it. Tests for chickenpox and shingles may be performed to detect and diagnose a current or past infection with vzv. If you have an atypical rash or there aren t any good swabs to use as a sample for pcr serological testing can be used in addition to a physical exam to diagnose shingles typically by looking for antibodies in your blood.

When you re exposed to varicella zoster virus your body makes antibodies to defend itself. Tests are rarely needed but may include taking a skin sample to see if the skin is infected with the virus that causes shingles. Polymerase chain reaction pcr is the most useful test for confirming cases of suspected zoster sine herpete herpes zoster type pain that occurs without a rash. If elevated white blood cells are observed your doctor may test your blood for antibodies to the herpes zoster virus.

Doctors use two types of tests to diagnose chickenpox or shingles. Tests for chickenpox and shingles may be performed to detect and diagnose a current or past infection with vzv. Links with this icon indicate that you are leaving the cdc website. Shingles is usually diagnosed based on the history of pain on one side of your body along with the telltale rash and blisters.

Linking to a non federal website does not constitute an endorsement by cdc or any of its employees of the sponsors or the information and products presented on the website. Blood tests may show an increase in white blood cells and antibodies to the chickenpox virus but they cannot confirm that the rash is due to shingles. Antibodies are proteins that your body makes due to infections and can be detected by laboratory tests. Your healthcare provider will be able to tell if you have shingles by.

Varicella zoster virus tests detect either antibodies produced by the immune system in response to a vzv infection or detect the virus itself.