 [ Symptoms ] can a urine test detect syphilis  i had unprotected and 2 days later i noticed sores appearing below the head of my penis my lymph nodes swole up and it started to burn slightly when i pee i went to the clinic at work a few days ago and they gave me a urine test which has come back negative and they told me i was good to go  based on what i have read on the internet it sounds like i have syphilis most of the sites say it is usually detected through a blood test do i need a blood test or is a urine test sufficient [ Disease ] i would have it checked for eczema try using eucerin or aquaphor and cortisone cream a couple times a day