Learn Everything You Can About Kidney Disease & Hypertension

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On this page you will find information for people with, or at risk for, kidney disease and hypertension. Your effective treatment is contingent upon improving the understanding, detection, and management of kidney disease. The information provided on this page is is informed by NIDDK research and reviewed by health care professionals.

Overview: Chronic Kidney Disease

Content provided by: https://www.mayoclinic.org/diseases-conditions/chronic-kidney-disease/symptoms-causes/syc-20354521

Chronic kidney disease, also called chronic kidney failure, describes the gradual loss of kidney function. Your kidneys filter wastes and excess fluids from your blood, which are then excreted in your urine. When chronic kidney disease reaches an advanced stage, dangerous levels of fluid, electrolytes and wastes can build up in your body.

In the early stages of chronic kidney disease, you may have few signs or symptoms. Chronic kidney disease may not become apparent until your kidney function is significantly impaired.

Treatment for chronic kidney disease focuses on slowing the progression of the kidney damage, usually by controlling the underlying cause. Chronic kidney disease can progress to end-stage kidney failure, which is fatal without artificial filtering (dialysis) or a kidney transplant.

Symptoms

Signs and symptoms of chronic kidney disease develop over time if kidney damage progresses slowly. Signs and symptoms of kidney disease may include:

  • Nausea
  • Vomiting
  • Loss of appetite
  • Fatigue and weakness
  • Sleep problems
  • Changes in how much you urinate
  • Decreased mental sharpness
  • Muscle twitches and cramps
  • Swelling of feet and ankles
  • Persistent itching
  • Chest pain, if fluid builds up around the lining of the heart
  • Shortness of breath, if fluid builds up in the lungs
  • High blood pressure (hypertension) that’s difficult to control

Signs and symptoms of kidney disease are often nonspecific, meaning they can also be caused by other illnesses. Because your kidneys are highly adaptable and able to compensate for lost function, signs and symptoms may not appear until irreversible damage has occurred.

Causes

Chronic kidney disease occurs when a disease or condition impairs kidney function, causing kidney damage to worsen over several months or years. Diseases and conditions that cause chronic kidney disease include:

  • Type 1 or type 2 diabetes
  • High blood pressure
  • Glomerulonephritis (gloe-mer-u-low-nuh-FRY-tis), an inflammation of the kidney’s filtering units (glomeruli)
  • Interstitial nephritis (in-tur-STISH-ul nuh-FRY-tis), an inflammation of the kidney’s tubules and surrounding structures
  • Polycystic kidney disease
  • Prolonged obstruction of the urinary tract, from conditions such as enlarged prostate, kidney stones and some cancers
  • Vesicoureteral (ves-ih-koe-yoo-REE-tur-ul) reflux, a condition that causes urine to back up into your kidneys
  • Recurrent kidney infection, also called pyelonephritis (pie-uh-low-nuh-FRY-tis)

Risk factors

Factors that may increase your risk of chronic kidney disease include:

  • Diabetes
  • High blood pressure
  • Heart and blood vessel (cardiovascular) disease
  • Smoking
  • Obesity
  • Being African-American, Native American or Asian-American
  • Family history of kidney disease
  • Abnormal kidney structure
  • Older age

Complications

Chronic kidney disease can affect almost every part of your body. Potential complications may include:

  • Fluid retention, which could lead to swelling in your arms and legs, high blood pressure, or fluid in your lungs (pulmonary edema)
  • A sudden rise in potassium levels in your blood (hyperkalemia), which could impair your heart’s ability to function and may be life-threatening
  • Heart and blood vessel (cardiovascular) disease
  • Weak bones and an increased risk of bone fractures
  • Anemia
  • Decreased sex drive, erectile dysfunction or reduced fertility
  • Damage to your central nervous system, which can cause difficulty concentrating, personality changes or seizures
  • Decreased immune response, which makes you more vulnerable to infection
  • Pericarditis, an inflammation of the saclike membrane that envelops your heart (pericardium)
  • Pregnancy complications that carry risks for the mother and the developing fetus
  • Irreversible damage to your kidneys (end-stage kidney disease), eventually requiring either dialysis or a kidney transplant for survival

Prevention

To reduce your risk of developing kidney disease:

  • Follow instructions on over-the-counter medications. When using nonprescription pain relievers, such as aspirin, ibuprofen (Advil, Motrin IB, others) and acetaminophen (Tylenol, others), follow the instructions on the package. Taking too many pain relievers could lead to kidney damage and generally should be avoided if you have kidney disease. Ask your doctor whether these drugs are safe for you.
  • Maintain a healthy weight. If you’re at a healthy weight, work to maintain it by being physically active most days of the week. If you need to lose weight, talk with your doctor about strategies for healthy weight loss. Often this involves increasing daily physical activity and reducing calories.
  • Don’t smoke. Cigarette smoking can damage your kidneys and make existing kidney damage worse. If you’re a smoker, talk to your doctor about strategies for quitting smoking. Support groups, counseling and medications can all help you to stop.
  • Manage your medical conditions with your doctor’s help. If you have diseases or conditions that increase your risk of kidney disease, work with your doctor to control them. Ask your doctor about tests to look for signs of kidney damage

Choosing a Treatment for Kidney Failure

As your kidney disease gets worse, your health care provider may talk with you about preparing for kidney failure. Talking early with your provider about your treatment options—and making a choice before you need any one of these treatments—helps you take charge of your care. Treatment will help you feel better and live longer.

Understanding the treatment you choose and getting used to the idea that you need this treatment takes time. Each type of treatment has pros and cons. Your choice of treatment will have a big effect on your daily life. By learning about the differences among treatment options, you can choose the one that will be best for you. The more you know about the types of treatment, the better prepared you may be to make a choice.

Learn more and read the full article at: https://www.niddk.nih.gov/health-information/kidney-disease/kidney-failure/choosing-treatment

What can I do to keep my kidneys healthy?

You can protect your kidneys by preventing or managing health conditions that cause kidney damage, such as diabetes and high blood pressure. The steps described below may help keep your whole body healthy, including your kidneys.

During your next medical visit, you may want to ask your health care provider about your kidney health. Early kidney disease may not have any symptoms, so getting tested may be the only way to know your kidneys are healthy. Your health care provider will help decide how often you should be tested.

Learn more and read the full article at: https://www.niddk.nih.gov/health-information/kidney-disease/chronic-kidney-disease-ckd/prevention

Eating Right for Chronic Kidney Disease

You may need to change what you eat to manage your chronic kidney disease (CKD). Work with a registered dietitian to develop a meal plan that includes foods that you enjoy eating while maintaining your kidney health.

The steps below will help you eat right as you manage your kidney disease. The first three steps (1-3) are important for all people with kidney disease. The last two steps (4-5) may become important as your kidney function goes down.

Learn more and read the full article at: https://www.niddk.nih.gov/health-information/kidney-disease/chronic-kidney-disease-ckd/eating-nutrition

Accepting Diagnosis

Accepting a diagnosis of chronic kidney disease is challenging and difficult. Most people with CKD have no symptoms until kidney function is significantly impaired. Education and early preparation for the transition to kidney failure is crucial to supporting your quality of life.

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