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 ...

Immunoglobulin A nephropathy (IgAN), also called Berger's disease, is an autoimmune disease that damages your kidneys. This condition happens when antibodies (specifically IgA) build up and form ...

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 ...