From foamy urine to fatigue: 6 signs of kidney damage that often go unnoticed

When the kidneys don’t work properly, waste and toxins stay in the bloodstream for a longer time. This can cause overall weakness, muscle weakness, and impaired concentration. In later stages of kidney disease, the body might also produce less erythropoietin, a hormone that leads to the stimulation of red blood cells. For this reason, individuals will become anemic, which results in fatigue and causes shortness of breath and dizziness.