hello, im a 27 year old male, iv always seemed to have a week bladder, and drunk alot of fluid, but in the last 4 weeks or so its been more so, also im tired after 4 oclock and had itchynesson the end of my little fella also had a couple of lumpy spots on my back, any ideas???? my urin sample had no sugar in, but im havind a blood test in a few days. thanks.