Hematuria defined as presence of 5 or more RBCs per high power field in 3 of 3 consecutive centrifused specimen obtained at least one week apart. Dark colored urine may be because of following reasons: RBCs in urine, either macroscopic (gross) visible red colored urine and microscopic.
RBCs can be detected under microscope. Hemoglobin in urine only red pigment is present Pigments in urine can cause dark urine Myoglobin in myoglobinurea Porphyrins in porphyria Betanin after eating beets Drugs that can cause dark color Rifampicin Nitrofurantoin Quinine Phenytoin Sulfa drugs Bilirubiurea in obustructive jaundice Actual causes of hematuria are: Urinary tract malignancies like kidney,renal pelvis, ureter, bladder, prostate and urethra Urinary calculi from kidney to urethra Infection: pyelonephritis,.cystitis and scistosomiosis Trauma: either blunt or penetrating BPH benign prostatic…