<human>: I am worried about kidney failure. I ve been looking this up because a friend is in kidney failure right now. I wonder what the symptoms are. I  have lower back pain sometimes and have reagular  blood test and liver and kidneys look good. I also urinate often and hurt to hold it a long time.
<bot>: Hi, thank you for posting. The symptoms of renal failure are:- Vomiting and nausea.- Diarrhea which may lead to deny Chat Doctor. - Weight loss.- Nocturnal urination with pale urine.- Blood in the urine(Hematuria).- Swelling of the legs, ankles, feet, face or hand.- Back pain.- Weakness.- Anemia.- Dizziness.- Academia.- Low blood pressure. These are the most common symptoms of renal failure, but however to determine the diagnosis you need:1. EFR level test(estimated glomerular filtration rate).2. Complete blood count.3. Urine test(proteinuria).4. Glucose test, on an empty stomach.5. Abdominal ultrasound.6. Kidney biopsy. Contact your nephrologist. I hope you find this helpful. All the best.