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Date of last update: 10/12/2017.
Forum Name: Sexually Transmitted Diseases
|Emily1891 - Tue Nov 17, 2009 9:31 am||
Hello doctor, I'd like to know what tests can detect Syphilis and Gonorrhea. Can 3 negative blood cultures rule out syphilis and gonorrhea? Thank you.
|Dr.M.jagesh kamath - Fri Dec 11, 2009 10:43 am||
Hello,If you have got tested for VDRL for syphilis,a nontreponemal test and repeated it after4 to 6weeks and negative have not had other exposures to STD you can be faily be certain of being negative.Treponemal EIA tests are used nowadays with TPHA test for confirmation.Some times a false negative test can happen due to excess antigen and may need a VDRL/RPR TPHA tests for confirmation.Since you have not mentioned the tests done I am not in a position to give you a better reply related to your query.Gonorrhea is diagnosed with a grams stain of the secretions,and a culture test which is near 100% accurate.ELISA tests are also effective tools in diagnosis.Best wishes.
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