Treponema pallidum hemagglutination assay or TPHA is a diagnostic test used to detect the dissolved amount of antibodies in a person's serum against the causes of syphilis. This test does not detect the most adequately treated cases, thus simplifying patient assessment. In addition, the timely administration of this test helps to cure syphilis. This test is also widely preferred to detect the particular stage of syphilis for identifying the dosage of medications.
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Query: Hi doctor, I am a 24 year old male. Before a month, I visited a hospital in my hometown for pain on the penis. They conducted VDRL and TPHA test and said that the test came back as weak positive. So, it is the first stage of syphilis. They prescribed me an injection and some tablets for five days. A... Read Full »
Answer: Hello, Welcome to icliniq.com. TPHA (Treponema pallidum hemagglutination) is a test to detect treponemal antibodies, which are produced by the body against the bug that causes syphilis. The point is that TPHA is known to show false positive results for some reasons and hence, any positive reaction ... Read Full »
Query: Hi doctor, I have an STD question and hope to have an STD specialist doctor to assist me. I had a sexual contact three years ago and only last month I went for (VDRL nontreponemal test) and is negative. I have read online that after several years or after sometime usually, the result can be negativ... Read Full »
Answer: Hello, Welcome to icliniq.com. Yes, sometimes many years after an infection with Treponema pallidum, VDRL may turn negative. TPHA (Treponema pallidum hemagglutination) or FTA ABS (fluorescent treponemal antibody absorption test) would be confirmatory in that case. You may take this test. Syphilis... Read Full »