[header] How to increase urine flow [title] Visit your doctor for a prostate exam after age 50. [step] The prostate is a gland in men that sits low in the abdomen, and when it gets enlarged it squeezes the urethra. This causes slow flow, difficulty starting to urinate, dribbling, and a weak stream. 
It is very common for men to get enlarged prostates after the age of 60. This condition is called benign prostatic hyperplasia, or bph, which is a noncancerous enlargement of the prostate.