TESTING: NEW TECHNIQUES TO DETECT TRICHOMONAS


New techniques to detect trichomonas are being studied; they employ the polymerase chain reaction test, which looks for the genetic material of the protozoa. Blood tests designed to detect the body’s immune response to the infection are also under study These newer tests are not yet used routinely in clinical practice.

Trichomoniasis is harder to diagnose in men than in women. Cultures can be taken from the urethra in men to make the diagnosis, although this approach often does not reveal trichomonas, even in men who have the infection. The only evidence may be white blood cells from a urethral swab test seen under the microscope on nongonococcal urethritis). Trichomonas infection is estimated to cause between 2 and 5 percent of cases of nongonococcal urethritis in men in the United States. Men most often seek treatment for trichomonas because their partners have been diagnosed with trichomoniasis rather than as a result of symptoms they have noticed in themselves.

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