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Doctors Lounge - Infections Answers
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| ilovewm2
- Sun Jun 27, 2010 9:22 pm |
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I was wondering about the urine tests which test for certain STI's: Do they test for STI infections anywhere in the body? For example do they test for an STI which is present in the mouth/throat region and anal region as well as the vagina or penis? Or do seperate tests need to be done for these mouth/anus regions?
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| Dr.M.Aroon kamath
- Wed Jul 14, 2010 7:41 am |
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 Hi,
Tests for Sexually transmited diseases (STI) may test for a single infection, or consist of a number of separate tests for any of a wide range of STIs.
No procedure tests for all suspected pathogens.
The site of testing may vary according to
- the sexual history,
- the type of infection suspected.
Just to give you one example, let us take the example of gonorrhea.
In asymptomatic heterosexual men (those without urethral discharge), a culture of urethral specimen is ideal. If urethral specimen is not possible, then, the urine is tested ideally by nucleic acid amplification test (NAAT). Cultures from the oropharynx is not recommended.
In the case of asymptomatic men who have sex with men (MSM), NAAT (if urethral specimen not available) and for oropharynx and rectum, cultures are recommended. A urinary or urethral culture may not reveal an oropharyngeal infection. A person can obviously have a gonococcal oropharyngeal infection without a urethritis. It all boils down to sexual preferences & practices!.
I can give more examples, but i think it may not be necessary.
Good luck!
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