Stage 4 chronic kidney disease (CKD)

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In Stage 4 CKD, you have an eGFR between 15 and 29. You may also have protein in your urine (i.e., pee). Stage 4 CKD is the last stage before kidney failure. It is important to take steps to slow kidney damage and plan ahead for possible treatments.

What is Stage 4 CKD?

Stage 4 CKD means that your kidneys are moderately or severely damaged and are not working as well as they should to filter waste from your blood. Waste products may build up in your blood and cause other health problems, such as:

What are the symptoms of Stage 4 CKD?

Symptoms of Stage 4 CKD may include:

  • Feeling weak and tired 
  • Swelling in your arms or legs
  • Urinating more or less often than normal
  • Pain in your lower back
  • Muscle cramps
  • Feeling sick to your stomach or throwing up
  • Feeling less hungry than normal

How can doctors tell my stage of CKD?

To find out what stage of CKD you are in, doctors will do tests, such as:

How can doctors tell what caused my CKD?

To try and find out what caused your CKD, your doctor may do other tests, including:

  • Blood pressure checks
  • Urine tests
  • Imaging tests to take detailed pictures of the inside of your body, such as ultrasound, CT scan or MRI 
  • Kidney biopsy (a procedure where doctors take a small piece of tissue from your kidneys to look at it under a microscope)
  • Genetic testing (if doctors suspect a rare disease or one that runs in your family) 

How do doctors treat Stage 4 CKD?

You will need to see a nephrologist (kidney doctor). Your nephrologist will treat Stage 4 CKD with medicines that help with your symptoms and other health problems that kidney disease can cause, such as diabetes and high blood pressure. 

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These medicines include:

  • Blood pressure medicines like ACE inhibitors and ARBs (even if you do not have high blood pressure, these medicines can help slow the damage to your kidneys to keep them working well as long as possible)
  • Diabetes medicines to keep your blood sugar at a healthy level (even if you do not have diabetes)
  • Calcium and vitamin D supplements to keep your bones strong
  • Diuretics to help with swelling (these are medicines that help your kidneys get rid of salt and water and make you urinate more)
  • Erythropoiesis-stimulating agents (ESAs) or iron supplements to help with anemia (not enough red blood cells in your body)

Your doctor may tell you to stop taking medicines that can damage your kidneys, such as pain medicines called NSAIDs (nonsteroidal anti-inflammatory medicines).

Your nephrologist will decide if your kidneys are close to failure and if you need to start treatment. If you need treatment, they will talk with you about your choices, which include:

  • Dialysis, which is a treatment to clean your blood when your kidneys are not able to. Learn more about the 2 types of dialysis.
  • A kidney transplant, which is surgery to give you a kidney from someone else's body. Learn more about kidney transplants.
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There is usually no cure for CKD, and you usually cannot reverse the kidney damage you already have by the time you get to stage 4 CKD. However, you can take steps to slow down the damage to your kidneys and help you feel your best.

How can I slow down the damage to my kidneys?

There is usually no cure for CKD, and you usually cannot reverse the kidney damage you already have by the time you get to stage 4 CKD. However, you can take steps to slow down the damage to your kidneys and help you feel your best.

To slow down the damage to your kidneys, your doctor will recommend that you:

  • Have visits with a nephrologist about every three months.
  • Meet with a dietitian to help you create and follow a kidney-friendly eating plan.
  • Keep your blood pressure at a healthy level. Your doctor may prescribe blood pressure medicines like ACE inhibitors and ARBs.
  • Keep your blood sugar at a healthy level if you have diabetes.
  • Be active for at least 30 minutes on most days of the week. This can be anything from walking or riding a bike to swimming or dancing.
  • Quit smoking or using tobacco.

How long can I live with Stage 4 CKD?

How long you may live (your life expectancy) depends on many things, such as:

  • Your age when diagnosed with CKD
  • How well you follow your treatment plan
  • Other health problems you have

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