RPR - False Positives Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests are rare; case reports have described atypical serologic responses to syphilis in some patients living with HIV). Acute (<6 months): • Spirochete Infections • Acute Infections • Immunizations Chronic (>6 months): • Chronic Infection • Autoimmune Disorders • Other Conditions #RPR #False #Positives #differential #diagnosis #syphilis #laboratory
