What is the cause of painless hematuria?

Painless urinary blood may be caused by strenuous exercise, urethritis, bladder cancer and other reasons.

1, strenuous exercise

usually lack of exercise crowd if suddenly strenuous exercise, can cause functional hematuria, the patient itself has no conscious symptoms, this is a normal physiological phenomenon.

2, urethritis

urethritis patients inflammatory factors can damage the small blood vessels on the urethral mucosa caused by bleeding, if the inflammation is light, patients can appear painless urinary blood.

3, bladder cancer

bladder cancer is a malignant tumor, tumor lesions will appear spontaneous rupture bleeding, if in the early stage of the disease, the patient's conscious symptoms are usually not obvious, so there will be the above performance.