What are the main causes of male urethral bleeding?

Male urethral meatus bleeding, painless main causes are urethral meatus polyps, occult nephritis, urinary system tumors, etc.

1, urethral meatus polyps

patients due to epithelial cell proliferation around the urethral meatus, inflammatory cell infiltration caused by urethral meatus polyps, polyps damaged will cause bleeding, resulting in urethral meatus bleeding, painless phenomenon.

2, occult nephritis

when suffering from occult nephritis, will lead to glomerular filtration barrier damage, so that red blood cells in the blood leak into the urine, resulting in male urethral meatus bleeding, painless phenomenon.

3, urinary system tumors

if suffering from bladder cancer, renal pelvis cancer, ureter cancer and other urinary system tumors, with the tumor body growing, the tumor is prone to rupture necrosis, due to its surface blood flow rich, will cause bleeding, resulting in male urethral meatus bleeding, painless phenomenon.