Important plz suggest me

Hello,
I have vdrl 1:2 reactive but atleast i got 3 penecilline injection a week then i got 5 continuous penecilline injection of 2.4 mu some time my penis got red and i see thrush on my penis i am so scared plz suggest me what is this… I dont know but still i didnt go for vdrl test but m scared about my health