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Healthy Living

Keep your kidneys healthy

What are diabetes problems?

Image of the human form showing location of kidneys, ureters, and bladder.

Too much sugar in the blood for a long time causes diabetes problems. This high blood sugar can damage many parts of the body, such as the kidneys, heart, and blood vessels. Diabetes problems can be scary, but there is a lot you can do to prevent them or slow them down.

This booklet is about kidney problems caused by diabetes. You will learn the things you can do each day and during each year to stay healthy and prevent diabetes problems.

High blood sugar can cause kidney problems.



What should I do each day to stay healthy with diabetes?

bowl of fruitFollow the healthy eating plan that you and your doctor or dietitian have worked out. Eat your meals and snacks at around the same times each day. person walkingBe active a total of 30 minutes most days. Ask your doctor what activities are best for you.bottle of medicineTake your diabetes medicine at the same times each day.glucometerCheck your blood sugar every day. Each time you check your blood sugar, write the number in your record book. Call your doctor if your numbers are too high or too low for 2 to 3 days.foot being examinedCheck your feet every day for cuts, blisters, sores, swelling, redness, or sore toenails.toothbrush and dental flossBrush and floss your teeth and gums every day.no smoking!Don't smoke.


What do my kidneys do?

Image of healthy kidney.

The kidneys act as filters to clean the blood. They get rid of waste and extra fluid. The tiny filters throughout the kidneys are called glomeruli (glo-MEHR-yoo-lie).

When kidneys are healthy, the artery (AR-ter-ee) brings blood and waste from the bloodstream into the kidney. The glomeruli clean the blood. Then waste and extra fluid go out into the urine through the ureter. Clean blood goes out of the kidney and back into the bloodstream through the vein.

You have two kidneys. Your kidneys clean your blood and make urine. Here is a simplified drawing of one.



How can I prevent diabetes kidney problems?

Image of doctor taking a patient's blood pressure.
  • Keep your blood sugar as close to normal as you can. Ask your doctor what blood sugar numbers are healthy for you.

  • Keep your blood pressure below 130/85 to help prevent kidney damage. Blood pressure is written with two numbers separated by a slash. For example: 120/70.

    Ask your doctor what numbers are best for you. If you take blood pressure pills, take them as your doctor tells you. Keeping your blood pressure under control will also slow damage to your eyes, heart, and blood vessels.

    Keep your blood pressure below 130/85

  • Follow the healthy eating plan you work out with your doctor or dietitian. Change your meal plan as your doctor and dietitian suggest. They might suggest you eat less protein, sodium, and potassium.

  • Have your kidneys checked at least once a year by having your urine tested for small amounts of protein.

  • Have any other kidney tests that your doctor thinks you need.

  • See a doctor for bladder or kidney infections right away. You may have an infection if you have these symptoms:

    • Pain or burning when you urinate
    • Frequent urge to go to the bathroom
    • Urine that looks cloudy or reddish
    • Fever or a shaky feeling
    • Pain in your back or on your side below your ribs.

Is there a medicine to slow down kidney damage?

Bottle of pills.

Yes. Your doctor might ask you to take a medicine called an ACE inhibitor (in-HIB-it-ur). This medicine helps control blood pressure. ACE inhibitors also help people with diabetes to slow down kidney damage by keeping the kidneys from cleaning out too much protein. New medicines now being tested may also hold promise.

Your doctor might ask you to take an ACE inhibitor to control your blood pressure.


How can my doctor protect my kidneys during special x-ray tests?

If you have kidney damage, the liquid, called a contrast agent, used for special x-ray tests can make your kidney damage worse. Your doctor can give you extra water before and after the x-ray to protect your kidneys. Or your doctor may decide to order a test that does not use a contrast agent.


How can diabetes hurt my kidneys?

Picture showing a healthy kidney and a kidney that is leaking protein.

When kidneys are working well, the glomeruli keep protein inside your body. You need the protein to stay healthy.

High blood sugar and high blood pressure damage the kidneys’ glomeruli. When the kidneys are damaged, the protein leaks out of the kidneys into the urine. Damaged kidneys do not do a good job of cleaning out waste and extra fluids. So not enough waste and fluids go out of the body as urine. Instead, they build up in your blood.

An early sign of kidney damage is when your kidneys leak small amounts of a protein called albumin (al-BYOO-min) into the urine.

With more damage, the kidneys leak more and more protein. This problem is called proteinuria (PRO-tee-NOOR-ee-uh). More and more wastes build up in the blood. This damage gets worse until the kidneys fail.

Diabetic nephropathy (neh-FROP-uh-thee) is the medical word for kidney problems caused by diabetes.

No protein is leaking from the healthy kidney.

Protein is leaking from the unhealthy kidney.



What can I do if I have diabetes kidney problems?

Man checking his blood pressure.

Once you have kidney damage, you cannot undo it. But you can slow it down or stop it from getting worse by doing the things listed in the

  • How can I prevent diabetes kidney problems?
  • Is there a medicine to slow down kidney damage? and
  • How can my doctor protect my kidneys during special x-ray tests? sections.

    Keeping blood pressure under control helps to keep your kidneys healthy.



    How will I know if my kidneys fail?

    Woman feeling sick to her stomach.

    At first, you cannot tell. Kidney failure from diabetes happens so slowly that you may not feel sick at all for many years. You will not feel sick even when your kidneys do only half the job of normal kidneys. You may not feel any signs of kidney failure until your kidneys have almost stopped. However, getting your urine and blood tested every year can tell you if your kidneys are still working.

    Once your kidneys fail, you may feel sick to your stomach and feel tired all the time. Your skin may turn yellow. You may feel puffy, and your hands and feet may swell from extra fluid in your body.

    You may feel sick to your stomach when your kidneys stop working.



    What happens if my kidneys fail?

    Woman recieving dialysis treatment.

    First, you will need dialysis (dy-AL-ih-sis) treatment. Dialysis is a treatment that does the work your kidneys used to do. There are two types of dialysis. You and your doctor will decide what type will work best for you.

    Dialysis is a treatment that takes waste products and extra fluid out of your body.

    1. Hemodialysis (HE-mo-dy-AL-ih-sis). In hemodialysis, your blood flows through a tube from your arm to a machine that filters out the waste products and extra fluid. The clean blood flows back to your arm.

    2. Peritoneal dialysis (PEH-rih-tuh-NEE-ul dy-AL-ih-sis). In peritoneal dialysis, your belly is filled with a special fluid. The fluid collects waste products and extra water from your blood. Then the fluid is drained from your belly and thrown away.

    Second, you may be able to have a kidney transplant. This operation gives you a new kidney. The kidney can be from a close family member, friend, or someone you do not know. You may be on dialysis for a long time. Many people are waiting for new kidneys. A new kidney must be a good match for your body.


    Will I know if I start to have kidney problems?

    No. You will know you have kidney problems only if your doctor tests your urine for protein. Do not wait for signs of kidney damage to have your urine tested.


    How can I find out if I have kidney problems?

    Each year make sure your doctor tests a sample of your urine to see if your kidneys are leaking albumin. If your kidneys are not leaking a lot of albumin, ask your doctor to check your urine for even smaller amounts of albumin. This is called microalbumin (MY-kro-al-BYOO-min).

    It is good news if your kidneys are not leaking even small amounts of albumin. Then you and your doctor know your kidneys are working well.


    Will my doctor do other kidney tests?

    Maybe. Your doctor might test your blood to measure the amounts of creatinine (kree-AT-ih-nin) and urea (yoo-REE-uh). These are waste products your body makes. If your kidneys are not cleaning them out of your blood, they can build up and make you sick.

    Your doctor might also ask you to collect your urine in a large container for a whole day or just overnight.


    For more information

    Man speaking on telephone.

    Diabetes Teachers (nurses, dietitians, pharmacists, and other health professionals)

      To find a diabetes teacher near you, call the American Association of Diabetes Educators toll-free at 1-800-TEAMUP4 (1-800-832-6874), or look on the Internet at http://www.aadenet.org/ and click on "Find an Educator."

    Recognized Diabetes Education Programs (teaching programs approved by the American Diabetes Association)

    Dietitians

      To find a dietitian near you, call the American Dietetic Association's National Center for Nutrition and Dietetics toll-free at 1-800-366-1655, or look on the Internet at http://www.eatright.org/ and click on "Find a Dietitian."

    Government

      The National Kidney and Urologic Diseases Information Clearinghouse (NKUDIC) is part of the National Institutes of Health. To learn more about kidney problems, write or call NKUDIC, 3 Information Way, Bethesda, MD 20892-3580, (301) 654-4415; or see http://www.niddk.nih.gov/ on the Internet.


    More in the series

    The "Prevent Diabetes Problems" series includes seven booklets that can help you learn more about how to prevent diabetes problems.

    publications

    For free single printed copies of these booklets, call, write, fax, or email the

    National Diabetes Information Clearinghouse
    1 Information Way
    Bethesda, MD 20892-3560
    Phone: (301) 654-3327
    Fax: (301) 907-8906
    Email: http://www.niddk.nih.gov/tools/mail_ndic.htm


    Acknowledgments

    The National Diabetes Information Clearinghouse thanks the people who helped review or field-test this booklet.

    For American Association of Diabetes Educators
    Lynn Grieger, R.D., C.D.E.
    Arlington, VT
    Celia Levesque, R.N., C.D.E.
    Montgomery, AL
    Teresa McMahon, Pharm.D., C.D.E.
    Seattle, WA
    Barbara Schreiner, R.N., M.N., C.D.E.
    Galveston, TX

    For American Diabetes Association
    Phyllis Barrier, M.S., R.D., C.D.E.
    Alexandria, VA
    Linda Haas, Ph.C., R.N., C.D.E.
    Seattle, WA
    Kathleen Mahoney, M.S.N., R.N., C.D.E.
    Drexel Hill, PA
    Randi Kington, M.S., R.N., C.S., C.D.E.
    Hartford, CT

    Diabetes Research and Training Center
    Albert Einstein School of Medicine
    Norwalk Hospital
    Norwalk, CT
    Jill Ely, R.N., C.D.E.
    Sam Engel, M.D.
    Pam Howard, A.P.R.N., C.D.E.

    Diabetes Research and Training Center
    Indiana University
    School of Medicine
    Indianapolis, IN
    Madelyn Wheeler, M.S., R.D., F.A.D.A., C.D.E.

    Diabetes Research and Training Center
    VA/JDF Diabetes Research Center
    Vanderbilt School of Medicine
    Nashville, TN
    Ok Chon Allison, M.S.N., R.N.C.S., A.N.P., C.D.E.
    Barbara Backer, B.S.
    James W. Pichert, Ph.D.
    Alvin Powers, M.D.
    Melissa E. Schweikhart
    Michael B. Smith
    Kathleen Wolffe, R.N.

    Grady Health System
    Diabetes Clinic
    Atlanta, GA
    Ernestine Baker, R.N., F.N.P., C.D.E.
    Kris Ernst, R.N., C.D.E.
    Margaret Fowke, R.D., L.D.
    Kay Mann, R.N., C.D.E.

    Health Care Financing
    Administration
    Baltimore, MD
    Jan Drass, R.N., C.D.E.

    Indian Health Service
    Albuquerque, NM
    Ruth Bear, R.D., C.D.E.
    Dorinda Bradley, R.N., C.D.E.
    Terry Fisher, R.N.
    Lorraine Valdez, R.N., C.D.E.

    Indian Health Service
    Red Lake, MN
    Charmaine Branchaud, B.S.N., R.N., C.D.E.

    Medlantic Research Center
    Washington, DC
    Resa Levetan, M.D.

    Texas Diabetes Council
    Texas Department of Health
    Austin, TX
    Luby Garza-Abijaoude, M.S., R.D., L.D.


    National Diabetes Information Clearinghouse

    1 Information Way
    Bethesda, MD 20892-3560
    Phone: (301) 654-3327
    Fax: (301) 907-8906
    Email: http://www.niddk.nih.gov/tools/mail_ndic.htm

    The National Diabetes Information Clearinghouse (NDIC) is a service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). NIDDK is part of the National Institutes of Health under the U.S. Department of Health and Human Services. Established in 1978, the clearinghouse provides information about diabetes to people with diabetes and to their families, health care professionals, and the public. NDIC answers inquiries; develops, reviews, and distributes publications; and works closely with professional and patient organizations and Government agencies to coordinate resources about diabetes.

    Publications produced by the clearinghouse are carefully reviewed for scientific accuracy, content, and readability.

    This e-text is not copyrighted. The clearinghouse encourages users of this e-pub to duplicate and distribute as many copies as desired.


    NIH Publication No. 00-4281

    Copyright © 1998-2002 SLM & Healthy Living
    All Rights Reserved

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