I have a slight burn on the bottom tip of my penis and bottom side of my testicles. I also have tingling in my eyes and eyebrows, both feelings seem to go together. It seems to act up when my core temperature rises or when it s warm outside 70 degrees and plus. I have tested for stds, which I gave a urine, swab and blood test. All results were negative. However, my white blood cells were up. I have taken levfloxcin, cipro, and a one dose to clear up clymidia and ghonerrea, and yet I still have the symptoms. Caffine, alcohol and sugar in foods seem to make it worse. I have had this for 2-3 months now.