Please provide your email address to receive an email when new articles are posted on . Higher rapid plasma reagin, or RPR, titers at diagnosis and a diagnosis made in more recent years are associated ...

The rapid plasma reagin (RPR) test is a type of blood test. Doctors use the RPR test to look for specific antibodies that will be present in the blood if a person’s immune system is currently fighting ...

A colleague treated a patient for secondary syphilis, then repeated the course of treatment because the RPR remained positive after the second course of treatment. How long does it take for the RPR ...

Panel A shows a syphilitic chancre with a clean base and heaped-up margins. Panels B and C show scaly plaque on the palm and sole, respectively, of a patient with syphilis. Panel D shows bacteria with ...

Data from a large study of syphilis indicate a high rate of neurosyphilis in HIV-infected patients with a CD4-cell count less than or equal to 350 or a serum RPR titer greater than or equal to 1:32.