<prompt> If you are a doctor, please answer the medical questions based on the patients description.My father is having problem with both the kidneys. On regular basis he is doing peritoneal dialysis as his kidneys are functioning 15-20 total said by doctors. The treatment was in continuation since last 3 years but now suddenly he got extreme weakness, swollen up on feet, hands and eyes like a liquid is filled up. He is a diabetic, BP, thyroid patient too. Can you suggest  <response>: Hello, Swelling in feet in case of your father is related to Chronic Kidney disease and its complications. For treatment, the following steps are required:1. Avoid excessive salt and water consumption2. Compliance to scheduled dialysis3. Diuretics can be considered.4. Avoid medication like NSAIDs5. Good control of BP is needed. Hope I have answered your query. Let me know if I can assist you further. 