Article · 4 min read
Blood in Urine (Hematuria): Causes and When to Act
What blood in urine can mean and when it needs urgent attention.
Last updated: 24/9/2026
Blood in urine can be visible or microscopic (found only on a test). Both should be evaluated.
Common causes
- ✓Urinary tract infection
- ✓Kidney or bladder stones
- ✓Glomerular disease
- ✓Enlarged prostate (in men)
When to seek care
Visible blood always warrants a doctor's visit; blood with pain, fever or clots needs prompt attention.
Frequently Asked Questions
Is blood in urine always serious?
Not always — infection and stones are common causes — but it must always be investigated.
Sources
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This page is for general education only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified doctor about your specific condition.