Prevent Diabetes Problems: Keep Your Kidneys Healthy
On this page:
What are diabetes problems?
Too much glucose (sugar) in the blood for a long time can cause diabetes problems. This high blood glucose (also called blood sugar) can damage many parts of the body, such as the heart, blood vessels, eyes, and kidneys. Heart and blood vessel disease can lead to heart attacks and strokes. You can do a lot to prevent or slow down diabetes problems.
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.
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High blood glucose can cause kidney problems.
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What should I do each day to stay healthy with diabetes?
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Follow the healthy eating plan that you and your doctor or
dietitian have worked out. |
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Be active a total of 30 minutes most days. Ask your doctor
what activities are best for you. |
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Take your diabetes medicines at the same times each day. |
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Check your blood glucose every day. Each time you check your blood glucose, write the number in your record book. |
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Check your feet every day for cuts, blisters, sores, swelling,
redness, or sore toenails. |
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Brush and floss your teeth and gums every day. |
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Don't smoke. |
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What do my kidneys do?
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 (gloh-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.
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You have two kidneys. Your kidneys clean
your blood and make urine. Here is a simplified drawing of
one.
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How can I prevent diabetes kidney problems?
- Keep your blood glucose as close to normal as you can. Ask your
doctor what blood glucose numbers are healthy for you.
- Keep your blood pressure below 130/80 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.
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Keep your blood pressure
below 130/80.
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- If needed, take blood pressure pills that can also slow down
kidney damage. Two kinds of pills can help:
- ACE (angiotensin [an-gee-oh-TEN-sin] converting enzyme)
inhibitor (in-HIB-it-ur)
- ARB (angiotensin receptor blocker)
- Follow the healthy eating plan you work out with your doctor
or dietitian. If you already have kidney problems, your dietitian
may suggest that you cut back on protein, such as meat.
- Have your kidneys checked at least once a year by having your
urine tested for small amounts of protein.
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Pills can help you control your blood pressure
and slow down kidney damage.
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- 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
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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.
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How can diabetes hurt my kidneys?
When kidneys are working well, the tiny filters in your kidneys,
the glomeruli, keep protein inside your body. You need the protein
to stay healthy.
High blood glucose and high blood pressure damage the kidneys' filters.
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 term for
kidney problems caused by diabetes.
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No protein is leaking from the healthy
kidney.
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Protein is leaking from the unhealthy kidney.
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What can I do if I have diabetes kidney problems?
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 following sections:
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Keeping blood pressure under control helps to keep your kidneys healthy.
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How will I know if my kidneys fail?
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 working. However, getting your urine and blood checked 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.
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You may feel sick to your stomach when
your kidneys stop working.
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What happens if my kidneys fail?
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.
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Dialysis is a treatment that takes waste
products and extra fluid out of your body.
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- 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.
- 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.
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Will I know if I start to have kidney problems?
No. You will know you have kidney problems only if your doctor
checks your urine for protein. Do not wait for signs of kidney damage
to have your urine checked.
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How can I find out if I have kidney problems?
Each year make sure your doctor checks a sample of your urine to
see if your kidneys are leaking small amounts of protein called
microalbumin (MY-kro-al-BYOO-min).
The test results will tell you how well your kidneys are working.
Other tests can be done to check your kidneys. Your doctor might
check 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. Then the urine will
be checked for protein.
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For More Information
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 www.diabeteseducator.org
and click on "Find a Diabetes Educator."
Dietitians
To find a dietitian near you, call the American Dietetic
Association toll-free at 1-800-366-1655, or look on the Internet
at www.eatright.org and click
on "Find a Nutrition Professional."
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, 1-800-891-5390 or (301) 654-4415;
or see www.kidney.niddk.nih.gov
on the Internet.
To get more information about taking care of diabetes, contact
National Diabetes Information Clearinghouse
1 Information Way
Bethesda, MD 20892-3560
Phone: 1-800-860-8747 or (301) 654-3327
Fax: (301) 907-8906
Email: ndic@info.niddk.nih.gov
Internet: www.diabetes.niddk.nih.gov
National Diabetes Education Program
1 Diabetes Way
Bethesda, MD 20892-3600
Phone: 1-800-438-5383
Fax: (301) 907-8906
Internet: http://ndep.nih.gov
American Diabetes Association
1701 North Beauregard Street
Alexandria, VA 22311
Phone: 1-800-342-2383
Internet: www.diabetes.org
Juvenile Diabetes Research Foundation International
120 Wall Street
New York, NY 10005-4001
Phone: 1-800-533-2873
Internet: www.jdrf.org
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More in the Series
The "Prevent
Diabetes Problems" series includes seven booklets that
can help you learn more about how to prevent diabetes problems.
For free single copies of these booklets, write, call, fax, or
email the
National Diabetes Information Clearinghouse
1 Information Way
Bethesda, MD 20892-3560
Phone: 1-800-860-8747 or (301) 654-3327
Fax: (301) 907-8906
Email: ndic@info.niddk.nih.gov
These booklets are also available at www.diabetes.niddk.nih.gov
on the Internet.
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Acknowledgments
The National Diabetes Information Clearinghouse thanks the people
who helped review or field-test this publication.
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
For Centers for Medicare & Medicaid Services
Baltimore, MD Jan Drass, R.N., C.D.E.
For Diabetes Research and Training Centers
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.
Indiana University School of Medicine Indianapolis, IN Madelyn Wheeler, M.S., R.D., F.A.D.A., C.D.E.
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.
For 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.
For 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.
Red Lake, MN Charmaine Branchaud, B.S.N., R.N., C.D.E.
For Medlantic Research Center
Washington, DC Resa Levetan, M.D.
For Texas Diabetes Council
Texas Department of Health Austin, TX Luby Garza-Abijaoude, M.S., R.D., L.D.
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National Diabetes Information Clearinghouse
1 Information Way
Bethesda, MD 20892-3560
Email: ndic@info.niddk.nih.gov
The National Diabetes Information Clearinghouse (NDIC) is a service of
the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).
The 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
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 by both NIDDK scientists and outside experts.
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. 03-4281
September 2003
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