Kidney (renal) disease can cause fluid and waste buildup, which can be potentially deadly. Kidney disease can be caused by diabetes, infections, high blood pressure, hepatitis, and other conditions. Symptoms include swelling, frequent urination, dry skin, fatigue, and many other signs. Treatments for renal disease include medications (to control other conditions that can cause kidney disease), dialysis, and kidney transplants. Follow the links below to find WebMD's comprehensive coverage about how kidney disease is contracted, how to treat it, and more.