Please be patient! It may take up to ONE minute to load all the Engines.
Problems? Please contact our support.
Alternative namesHerpes skin test; Chicken pox skin test
DefinitionThe Tzanck test is a method of testing sores for the herpes simplex virus (which causes cold sores, fever blister, or genital sores), or varicella-zoster virus (which causes chickenpox and "shingles").
How the test is performedThe sore is scraped and the scraping is put on a slide and stained. The health care provider then examines it under a microscope.
How to prepare for the testInfants and children:
The preparation you can provide for this test depends on your child's age, previous experiences, and level of trust. For general information regarding how you can prepare your child, see the following topics:
How the test will feelWhen the sore is scraped or rubbed, there may be mild discomfort.
Why the test is performedThe test may help diagnose or confirm an infection with 1 of these 2 viruses. This test can not distinguish between these two viruses.
Normal ValuesNo presence of herpes-infected cells in the scraping is normal.
What abnormal results meanThe results are immediately available. If herpes-infected cells are detected, the patient has been infected with one or the other of the following:
What the risks areThere are no risks with this test.
Special considerationsThere is a high rate of false-negative results even when the virus is present.
Update Date: 1/26/2004Daniel Levy, M.D., Ph.D., Infectious Diseases, Greater Baltimore Medical Center, Baltimore, MD. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT