Kidney is a very important organ of the body. Life is at risk if the kidneys fail. Eat foods rich in antioxidants and keep your kidneys healthy. Health website Healthy Food Team reports eight signs of kidney failure. If these symptoms appear, go to the doctor immediately. 1. Swollen dysfunctional kidneys cannot get rid of excess fluid from the body. It causes swelling of face , hands , feet , legs and knees. Sudden onset of kidney failure. 2. Changes in Urine When the kidneys are dysfunctional, some changes occur in the urine. কষ্ট Difficulty urinating or feeling stressed. রক্ত Blood may go with urine. রং The color of urine becomes darker. Decreased urination and odor. হয় Urines like foam. 3. Toxins accumulate in the body when the kidneys become dysfunctional. This toxin makes the skin dry and irritated. 4. Depression produces healthy kidney erythropoietin or EPO hormone. It works to make red blood cells. When the kidneys are functioning , the red blood cells are reduced. It stops the transport of oxygen in the body. It causes anemia and muscle weakness. 5. Shortness of breath Another symptom of kidney damage is shortness of breath. As red blood cells decrease, so does the transport of oxygen in the body. It causes shortness of breath ; Excess water accumulates in the lungs. . Bad breath is bad for the kidneys and toxins in the body. This creates bad breath. If this persists even after treatment for bad breath , consult a kidney specialist. . Pain Kidney dysfunction often causes pain in the lower back or side. Kidney stones or infections cause severe pain. . Lack of attention and sleep deprivation When the kidneys are dysfunctional, there is a lack of oxygen in the brain. It lacks attention. Sleep is a feeling of drowsiness and memory problems.