Red blood cells in urine

Red blood cells in urine is the cause of blood in urine, that can be divided into microscopic blood in urine and macroscopic blood in urine.

Microscopic blood in urine:
That means there are red blood cells and not white blood cells in urine, but the blood cannot been seen by just the naked eye. Usually this urine is normal in urine color and transparency, not a cloudy urine. That is because of too small amounts of blood to change the urine.

Macroscopic blood in urine
Plentiful red blood cells in urine will change the color and transparency of urine, and result in red cloudy urine. This type of blood in urine is visible grossly with just the naked eye.

Causes of blood in urine

Red blood cells in urine is a common abnormal change and there are many causes can cause it. Urinary tract tumor, inflammation and stones are the three most common causes.

Other causes include polycystic kidney disease, trauma, thrombocytopenia purpura, hemophilia, or hypertension, diabetes, anemia and leukemia.

Red cloudy urine

Red cloudy urine is a result of macroscopic blood in urine. The color of urine is red or red-brown.