Hi, when ever we mention blisters the concern of herpes does arise. It would have been best if the doc had swabbed them since they were still active. I would suggest a blood test 8 weeks post exposure as an indictor but i will comment that herpes are not spread out all over the area but are confined to small grouping. If the sores are very spaced about, i would not feel its herpes related but do test to confirm your status. Also genital herpes are often painful as are open sores.
We don't look at posted photos. This forum has only community volunteers and is not a substitute for direct medical care (as stated very clearly in MedHelp policies etc). From your description, this for sure isn't herpes, which cannot cause continuous symptoms for so long. All herpes episodes go from red bump to blister to open sore to scab to complete healing within 1-2 weeks, rarely as long as 3 weeks. I suggest you return to the urologist. Good luck.