Finasteride and Red Blood Cells in Urine?

Could Finasteride cause an increased level of red blood cells in a person’s urine specimen?

No.

Red blood cells in a urine specimen is abnormal unless you are a woman having her period and the urine got contaminated. There are MANY more plausible source of blood in urine not related to drugs that you need to know about. Meet with your doctor — maybe you have kidney stones, a kidney or bladder infection or kidney cancer, amongst other diseases.