<prompt> After giving treatment for Syphilis, the response to treatment can be best assessed byFTAABSVDRLTPHAImmobilization test  <response>: Specific treponemal tests FTA-ABS, TPHA, TPI are of little value as indicators of clinical cure, as they tend to remain positive in spite of Treatment.Non treponemal tests eg VDRL will become nonreactive or will be reactive at lower titers after therapy, so can be used for monitoring patients response to treatment. These tests usually become negative 6-18 months after effective treatment of syphilis. 