Test, RPR: Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream when a patient has syphilis. See: Test, syphilis (RPR). SLIDESHOW Erectile Dysfunction (ED) Causes and Treatment See Slideshow From Healthy Resources Sex With Hep C: How to Be SafeHIV Prevention TipsHelp for Hepatitis C Treatment Costs Featured Centers Good and Bad Foods for PsoriasisVideo: Getting Personal on Life With MS Health Solutions From Our Sponsors Shot-Free MS Treatment Your Child and COVID-19
