Presence of RBCs in your urine is called hematuria.
There are two types of hematuria:
1. Gross hematuria..... means blood is visible in your urine.
2. Microscopic hematuria ....in this type RBCs can only be seen under a microscope....
What causes RBCs in urine?
acute or short term causes of hematuria include:
Infections
Sexual activity
Vigorous exercise
Kidney or bladder stones
chronic or long-term conditions that can cause RBCs in urine include:
Hemophilia
Polycystic kidney disease
Sickle cell disease
Viral hepatitis
