Talk to Urologist on Urination Issue . Sexual Dysfunction

what are the basic and important lab tests. if im feeling issues in kidney ureter bladder prostate urethra . in feel urinary retention . stiffness and pressure while urinate. couldnt able to urinate with normal flow . feels like i couldnt properly empty my bladder . and i can only release small amount of urine . age 36 . unmarried . suffering ED and PE after this issue . are these the symptoms for UTI . cystitis . gonorrhea . swell prostate . i used to sqeeze all the time my lower abdomen. there is no chronic pain in male organ or near lower abdomen area . no burning sensation while urinate . no blood in urine . please guide me . i want lab test for complete renal and reproductive system. thanks. kindly guide . i am worry