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Is it possible to have a false negative syphilis test?
1 doctor weighed in

Dr. Booth Wainscoat
Internal Medicine - Infectious Disease
In brief: Yes
Testing for syphilis can sometimes be a complicated process which requires expert interpretation.
Unfortunately there is no test in medicine which is 100% accurate 100% of the time. A false negative syphilis test may occur within the first 2 weeks after the common syphilis ulcer appears. Patients with immune disorder such as HIV and aids may also test falsely negative for syphilis.

In brief: Yes
Testing for syphilis can sometimes be a complicated process which requires expert interpretation.
Unfortunately there is no test in medicine which is 100% accurate 100% of the time. A false negative syphilis test may occur within the first 2 weeks after the common syphilis ulcer appears. Patients with immune disorder such as HIV and aids may also test falsely negative for syphilis.
Dr. Booth Wainscoat
Dr. Booth Wainscoat
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