Single spot on penis

i have been getting a single spot in my penis once every 4-6 weeks, for the past year. theres no itchyness, just stings a little when pressured applied to it. now i do a heavy handling job and sweat alot at work. not sure if this has has anything to do with it. im just worried iFile size is too bigt mite be herpes. can anyone help with this please?

my pictures wouldn’t upload either. the best thing you can do is go get a blood test done to know for sure so that you can start treatment if thats what it is. sending good vibes that its not though!!