What is a PCR test for herpes?

What is a PCR test for herpes?

PCR finds the genetic material (DNA) of the HSV virus. This test can tell the difference between HSV-1 and HSV-2. Using the PCR test on skin sores isn’t common. PCR is used mainly for testing spinal fluid in rare cases when herpes may have caused an infection in or around the brain.

What is the gold standard for HSV diagnosis?

Viral culture is the gold standard for diagnosis of HSV infection, and has a sensitivity of 50% and a specificity of nearly 100%.

What tests are used to diagnose herpes?

Your doctor usually can diagnose genital herpes based on a physical exam and the results of certain laboratory tests:

  • Viral culture. This test involves taking a tissue sample or scraping of the sores for examination in the laboratory.
  • Polymerase chain reaction (PCR) test.
  • Blood test.

Can you give someone herpes without ever having symptoms?

Genital herpes is a common sexually transmitted disease (STD) that any sexually active person can get. Most people with the virus don’t have symptoms. Even without signs of the disease, herpes can still be spread to sex partners.

Are there any serological tests for herpes simplex virus?

Serological tests for herpes simplex virus (HSV) that can accurately distinguish between HSV-1 and HSV-2 are now commercially available. These tests detect antibodies to HSV glycoproteins G-1 and G-2, which evoke a type-specific antibody response.

Can you get an antibody test for genital herpes?

Order now to access thousands of centers nationwide. Unfortunately, an antibody test only tests whether you have been exposed or ever had herpes virus. It is helpful, but does not diagnose a specific outbreak. Before you visit your health provider to be tested for genital herpes, first read Preparing for Your Doctor Visit.

How is a PCR test used to diagnose herpes?

The PCR test looks for pieces of the virus’s DNA in a sample taken from cells or fluids from a genital sore or the urinary tract. This is a commonly used test to diagnose genital herpes and is very accurate.

What happens when you test negative for herpes?

During the herpes incubation period, you may still test negative for the virus, as your body is building an immune response to the infection. If your immune system has not yet produced the antibodies, they won’t show up on an antibody test. This can lead you to believe that you don’t have the virus, even though you do. How soon can you be tested?