Medically reviewed by Matthew Wosnitzer, MD Key Takeaways Foamy urine can happen from harmless reasons like dehydration or a fast urine stream.  Proteinuria, which is too much protein in urine, might ...

Small amounts of protein can appear in your urine and be OK. Above a certain level, however, may indicate proteinuria, which can be a red flag for kidney disease. Proteins are among the most important ...

A urine protein test measures the amount of protein in a urine sample. A doctor may suggest this test to help evaluate and monitor kidney function and potentially detect kidney damage. The kidneys ...

Your urine's colour offers vital health clues, from pale yellow indicating good hydration to darker shades suggesting dehydration. Unusual hues like red, brown, or even blue-green can signal ...