UTIs and the Kidneys
How a bladder infection can reach the kidneys, and how to reduce the risk.
Last updated: 2026-09-24
Most urinary tract infections stay in the bladder, but if they ascend to the kidneys they become more serious.
Reduce the risk
- Treat bladder infections early
- Stay hydrated
- Do not delay urination
Frequently asked questions
Can a UTI damage the kidneys?
If it ascends to the kidneys and is untreated, yes — so early treatment matters.