I am male age 26..When urine hold for long time and more urine is in bladder i feel  irritated and urgency to urinate but after urination i feel normal and very relax.. what is called this condition of bladder..i am healthy everything is ok but i feel irrited when i hold urine for long time and more urine is in bladder like in exam time when i need to hold urine for 3 hour..i can control  urine for long time no leakage problem but only problem is i feel irritated and urgency to urinate when i hold urine for long time and more urine holding...my usg & urine report is normal uroflow speed is also good  pls suggest disease name or bladder condition name