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Health care providers can easily perform diagnosis and test for genital herpes if the symptoms are visible. Test for genital herpes between outbreaks and without clear symptoms are difficult to diagnose. Test for genital herpes can be done through visual inspection, blood test or by taking out sample of the lesion (viral culture) to be examined under the microscope in the laboratory. Blood test for genital herpes can detect herpes simplex virus even when you have no symptoms.

Test for genital herpes by blood test cannot show whether a person can infect another person with the herpes virus, however it can show if a person had been infected and had previous history of genital herpes. The recent test for genital herpes by blood test can determine what strain of herpes simplex virus is present at the time (HS1 or HSV-2). A false-negative result from a blood test is possible if you have been infected recently. It takes several weeks for herpes simplex virus antibodies to show up in the blood. False-positive test results are possible, too, however if you test positive, but your risk for getting the virus is low, you may need to be re tested again.

Considering that the sores are microscopic in nature, other ways that involve series of laboratory test for genital herpes (Tzanck and PCR Tests) may be required to prove that the herpes simplex virus causes the symptoms. Because of this difficulty, test for genital herpes may not show the virus in the body, even if the virus is really there. A Tzanck test places a sample from a sore on a microscope slide and stains it with a dye. Cells that are infected with HSV look different from the others, but this test is not very accurate, so health experts don't recommend it. Another test for genital virus is the PCR (Polymerase Chain Reaction). This test for genital herpes looks for pieces of the virus DNA. It's an accurate test; however, doctors do not consider this method yet and how it should be used to diagnose genital herpes.

New test on genital herpes virus is still under going scrutiny. It involves tensing the saliva or urine to detect the presence of herpes simplex virus. It was developed recently by a doctor at the London School of Hygiene and Tropical Medicine for use in a safe-sex study in Africa. Until it is made available to the public, we cannot use this test.

If you are planning to have a test for genital herpes, before you walk into the doctor’s office, make sure you have a recollection of your past or recent sexual experiences. Find out if you have symptoms like cold sore, tingling and itchy skin, rashes on the parts of the body especially the genitals. You have to be ready when the doctor asks you about; your last sexual intercourse, if you have multiple partners, are you exposed to a partner with genital herpes or cold sores, and if you use any method of protection like condoms.

Test for genital herpes is encouraged for people suffering their first genital herpes outbreak and to those suffering from recurrent outbreak episodes. Whether there are visible or no visible symptoms, it is vital to get diagnosed to determine what type of treatment or medication is needed by the patient. If there are no symptoms present, the patient who had previous genital herpes outbreak is required to return at the early stage of recurrent outbreak where lesions are present and the viral shedding can be highly active at that time. Test for genital herpes virus at time will produce a more accurate result on the presence of the virus.