Hi,
My name is David and am 29 years old male . i have been facing since almost 1 month ,some problems concerning urinary system . Mild pain when urinating , and the sensation is increasing and decreasing sometimes , it;s like something is stuck inside ( just trying to describe the real sensation ) . sometimes mild pain in the lower abdomen and sometimes pain in the lower back ( and the tip of the penis and penis discomfort ) . i have done a couple of urine tests , the result was negative , no sign of infection and no sign of bacteria . there is some sand in urine . No blood in urine , no blood in semen , but also mild pain when ejaculating . Can someone advice me about what is happening ?