Hello sir ,I m 20 years old ,I have a large bump pimple like one around 3cm ,exactly above my left side of my penis ,it is paining very much if I touch it .and I m having one more problem for so much days ,my tip (head)of my penis is feeling irritated very frequently particularly in the days while I don t drink less water ,and those time I feel like urinating and if I go to pass the urine only few drops are coming out ,it is irritating too much ,can you please help me out .