Foamy Urine: A Sign to Check
What foamy urine means and when it signals protein in the urine.
Last updated: 2026-09-24
Occasional foam is harmless, but persistently foamy urine can indicate protein leaking from the kidneys.
What to do
If foam persists, request a urine albumin test — it detects kidney damage early.
Frequently asked questions
Does foamy urine always mean kidney disease?
No, but persistent foam should be checked.