03/16/2026
Symptoms of Kidney Failure
Kidney failure symptoms may begin so gradually that you don鈥檛 really notice swelling, joint pain, or changes in how you urinate (p*e). Or, you may think that itchy skin and other signs are due to aging or another cause. The kidneys balance waste, fluid, and mineral levels in the body, and poor function can lead to body-wide effects.
Kidney failure due to chronic kidney disease (CKD) is evaluated in stages based on a blood test called the EGFR (estimated glomerular filtration rate), though other tests are typically needed, too. When kidney function goes below 15% of normal EGFR, it鈥檚 classified as end-stage kidney failure. Acute kidney failure can occur too, usually due to a sudden injury, illness, or medication use.
Common Symptoms
Kidney failure symptoms can vary, and sometimes it鈥檚 difficult to notice them at first. There are common early symptoms, though, that can include:
1. Headaches
2. Itchiness
3. Swelling, especially in the ankles, legs, and feet
4. Daytime fatigue and trouble sleeping at night
5. Muscle cramps, weakness, or numbness
6. Little to no urinary output
7. Feeling sick to your stomach, changes in appetite and weight
8. Joint pain or stiffness
9. Confusion or memory problems
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