This topic is about complications from diabetes, such as eye, kidney, heart, nerve, or blood vessel disease. If you need other diabetes information, see:
Type 1 diabetes is a lifelong disease that develops when the pancreas stops making insulin. Your body needs insulin to let sugar (glucose) move from the blood into the body's cells, where it can be used for energy or stored for later use.
If sugar cannot move from the blood into the cells, your blood sugar gets too high and your cells cannot work right. High blood sugar can harm your blood vessels and nerves and lead to problems with your eyes, heart, feet, kidneys, and other areas of the body. These problems are called complications.
The complications from diabetes are:
Diabetes and its complications can change your life. Living with health problems caused by diabetes can be a constant struggle. It is a lot of work to monitor your health (such as foot care), keep up with your doctor appointments, and control your blood sugar. You may not always do everything exactly right, and it is normal to feel frustrated and sad at times. But don't give up. People with health problems from diabetes can still live full lives. If you are having trouble coping, talk to your doctor. Getting counseling or joining a diabetes support group may also help.
Different complications have different symptoms.
Depending on the problem, treatment for a diabetes complication may include medicine, surgery, or other therapies. Early treatment for a complication can help slow the damage and may prevent other problems.
But there is a lot that you can do yourself. Here are seven steps you can take to help keep health problems from getting worse.
Frequently Asked Questions
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Complications from type 1 diabetes are caused by one or both of the following:
This damage results from excess sugar (glucose) in your body.
Your symptoms depend on which complication type 1 diabetes has caused.
There are no symptoms in the early stages of diabetic retinopathy. Symptoms that are noticed in later stages of the disease include:
For more information, see the topic Diabetic Retinopathy.
The only sign of diabetic nephropathy in its early stage is tiny amounts of protein in your urine (microalbuminuria). A urine test for protein is the only way to identify this problem. Frothy or foamy urine can be a sign of excess protein. As kidney disease gets worse, you may have:
Kidney damage affects your body's ability to rid itself of excess insulin. This results in low blood sugar levels. It also may mean that your doctor may want to adjust your insulin dose. As the disease gets worse, kidney failure develops. You may be tired, lose your appetite, and lose weight.
For more information, see the topic Diabetic Nephropathy.
You may have chest pain (angina) or leg pain during exercise if you have macrovascular disease. But you may not have any symptoms until you have a heart attack or stroke or develop peripheral arterial disease. Because diabetes can affect the nerves, you may have no pain during a heart attack. This is called a "silent heart attack."1
For more information, see the topics:
Symptoms of peripheral neuropathy include:
Symptoms of autonomic neuropathy (affecting internal functions) include:
Symptoms of focal neuropathy (affecting a single nerve) usually develop suddenly and may include:
For more information, see the topic Diabetic Neuropathy.
If complications from type 1 diabetes are found early, treatment can slow and sometimes reverse the damage. Complications that progress may cause serious disability or death.
If your complication is found early, you may need to make only minor lifestyle changes to stop its progression. For example, if you have early diabetic nephropathy, medicine can help prevent further damage to your kidneys. Early treatment for a complication and keeping your blood sugar in a target range can help prevent new complications. The American Diabetes Association recommends a hemoglobin A1c level of less than 7% to help prevent complications. The A1c level is a measure of your blood sugar over the past 2 or 3 months. Talk to your doctor about what A1c level is best for you.
Other ways to prevent new complications and/or to keep the complications you have from getting worse include:
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More information |
These factors can contribute to your developing complications from type 1 diabetes.
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More information |
Call 911 or other emergency services right away if you are:
Call a doctor right away if:
Call a doctor if you:
The specialist that you need to see depends on which complication you have. The following health professionals treat complications from type 1 diabetes:
To prepare for your appointment, see the topic Making the Most of Your Appointment.
Because you have a complication from type 1 diabetes, you need to have regular exams and tests to monitor its progression and screen for new complications.
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Complication |
Tests if you do not have the complication |
Tests if you have the complication |
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Eye disease (diabetic retinopathy) |
Every year, have:5
If you are at low risk for vision problems, your doctor may consider follow-up exams every 2 to 3 years. |
As often as indicated, have:
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Kidney disease (diabetic nephropathy) |
Every year, have one of the following:5
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As needed to check on your condition, have:
If you develop kidney failure, you may need other tests. For more information, see the topic Chronic Kidney Disease. |
| Heart and blood vessel disease (macrovascular disease) |
During every medical appointment, have:
At least every year, or more often, if indicated, have a:5
Have an:
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As indicated, have:
For more information, see the topics Heart Attack and Unstable Angina, Stroke, and Peripheral Arterial Disease of the Legs. |
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Nerve disease (diabetic neuropathy) |
Periodically, have a:
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As indicated, have:
Tests for autonomic neuropathy (internal functioning) are specific to your symptoms, such as:
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Other tests
Because persistent high blood sugar levels are directly related to getting diabetic complications, you need hemoglobin A1c and blood glucose tests at least 2 times a year to monitor your blood sugar control.
If your treatment is changing or if your blood sugar is not stable, your A1c may be checked every 3 months.
You may need a thyroid-stimulating hormone (TSH) test when type 1 diabetes is diagnosed and then every 1 to 2 years. This test checks for thyroid problems, which are common among people with diabetes.
Treatment for your complication from type 1 diabetes depends on the stage of the disease.
Keep all appointments with your eye specialist, and call if you notice any changes in your vision. Vision changes may mean your diabetic retinopathy is getting worse. Early detection and treatment of any changes can help prevent vision loss.
If you have severe vision loss, vision aids can help. Your local or state organization for the visually impaired can help you find these aids.
For more information, see the topic Diabetic Retinopathy.
Keep all appointments with your doctor, because the blood and urine tests done during these visits will monitor any kidney damage. Also, follow your doctor's instructions on taking your medicines (if you take any), because this can help slow damage.
If you have small amounts of protein in your urine (microalbuminuria), which is an early sign of kidney damage, you may be given an angiotensin-converting enzyme (ACE) inhibitor. Angiotensin II receptor blockers (ARBs) also treat kidney disease. These medicines are usually the first choice for people with type 1 diabetes who have microalbuminuria. Treatment for high blood pressure and high cholesterol may also help your kidneys work better.3 If you develop kidney failure, you may need dialysis, a kidney transplant, or possibly a pancreas-kidney transplant.8
You can also:
For more information, see the topics Diabetic Nephropathy and Chronic Kidney Disease.
You can treat heart and large blood vessel disease by:
Keeping your blood sugar levels within a target range (hemoglobin A1c less than 7%) is the only treatment that can stop or slow the progression of neuropathy.
If you have peripheral neuropathy, your doctor may suggest medicines (such as nonprescription pain relievers, creams, or prescription oral or injected medicines). Physical therapy or acupuncture may relieve pain and stiffness and/or improve your mood and mental well-being.
To help prevent injuries:
If you have focal neuropathy (affecting one nerve), your doctor may suggest a joint splint.
If you have autonomic neuropathy, your doctor may suggest the following:
Your doctor may refer you to a specialist for treatment of specific complications.
For more information, see the topic Diabetic Neuropathy.
Have your doctor do a thorough foot exam yearly. If you develop serious infections or bone and joint deformities, you may need surgery (possibly amputation). You can prevent many foot problems by inspecting your feet daily and protecting them from injury.
The most important thing you can do is to keep your blood sugar within a target range. This slows the progression of your complication from diabetes and lowers your risk for developing others. Continue eating a diet that spreads carbohydrate throughout the day, get regular exercise, and take your prescribed insulin. You can take insulin by injection or through an insulin pump. For more information, see the Home Treatment section of the topic Type 1 Diabetes: Living With the Disease.
You can slow the progression of your complication from type 1 diabetes and prevent or delay other complications by keeping your blood sugar within a target range.
You can:
The most important measures you can take at home if you have one or more complications from type 1 diabetes are:
For more information, see the Home Treatment section of the topic Type 1 Diabetes: Living With the Disease.
Other measures to care for and protect yourself depend on which complication you have.
Call your eye specialist if you notice any changes in your vision. Vision changes may mean that diabetic retinopathy is getting worse. Early detection and treatment can help prevent vision loss.
If you have severe vision loss from diabetic retinopathy, vision aids can help. Your local or state organization for the visually impaired can help you find these aids.
For more information, see the topic Diabetic Retinopathy.
For more information, see the topic Diabetic Nephropathy.
Even if you don't have heart and blood vessel problems, you are at risk for them.
If it affects your ability to feel (peripheral neuropathy):
If it affects your body's internal functioning (autonomic neuropathy):
For more information, see the topic Diabetic Neuropathy.
Daily care of your feet is very important. Because diabetic neuropathy and diabetic damage to the blood vessels in your legs can lead to severe infections and deformities of your feet, seek treatment for any foot problem, no matter how minor it seems. Even a small foot injury can lead to serious complications.
For more information, see:
Insulin prescribed for type 1 diabetes by an injection or through an insulin pump helps keep your blood sugar level tightly controlled and within a target range. You may also take:
For your diabetes:
For some complications:
Your LDL cholesterol goal is less than 100 mg/dL. Your LDL goal may be lower—less than 70 mg/dL—if you have heart disease. If you are a man, your HDL cholesterol goal is more than 40 mg/dL. If you are a woman, your HDL goal is more than 50 mg/dL. You want your triglyceride level to be lower than 150 mg/dL. For more information, see the topic High Cholesterol. To reach your goals, changes in diet and regular exercise can help. If these changes are not enough, you may need to take medicines too.
Keep your blood sugar levels within your target range. Your target range may be close to normal blood sugar levels. If you frequently have low blood sugar levels, call your doctor. You and your doctor may decide to make your target range higher than the normal range to avoid low blood sugar emergencies.
Some complications from type 1 diabetes may need surgical treatment. For example, surgery to remove the vitreous gel (vitrectomy) may improve eye disease (diabetic retinopathy).
For more information, see the topics:
For more information on heart and blood vessel disease, see the topics:
If you have kidney damage from diabetes and are considering a kidney transplant, you may be eligible for surgery to replace your pancreas (pancreas transplant) at the same time. In either case, you need to meet specific criteria to be considered for the surgery.
The only other surgery for type 1 diabetes is the insertion of working pancreas cells (islet cell transplant) into your body. Islet cell transplant surgery is experimental at this time, and you also need to meet specific criteria.
Pancreas and islet cell transplants are very expensive. After having one of these surgeries, you must take immunosuppressive medicines to keep your body from rejecting the new tissue.
The success rate for pancreas transplants is improving because of new surgical techniques and new medicines. But islet cell transplants may replace pancreas transplants in the future.11 People with complications from diabetes aren't always eligible for islet cell transplants.
You may hear about products that promise a "cure" for type 1 diabetes complications. No such cure exists. Also, avoid products for diabetes that are advertised by "satisfied customers." These products or remedies may be harmful and costly. They also might cause you to delay or avoid getting treatments that do work. If you have questions about a product for treating diabetes, check with your local American Diabetes Association office, your doctor, or a diabetes educator.
You may hear of people with diabetes following other types of meal plans or using low glycemic-index foods to control their blood sugar levels. Talk with a registered dietitian before trying one of these plans.
Complementary therapies are used in addition to traditional treatment. Acupuncture and biofeedback are examples of treatments that may relieve stress and muscle tension. They can help you feel better overall, but they don't treat the underlying disease. Don't use complementary therapies alone to treat your diabetes or its complications. Ask your health professional which therapies might help in your particular situation.
Talk with your doctor before using these or other complementary or alternative therapies:
| American Diabetes Association (ADA) | |
| 1701 North Beauregard Street | |
| Alexandria, VA 22311 | |
| Phone: | 1-800-DIABETES (1-800-342-2383) |
| Email: | AskADA@diabetes.org |
| Web Address: | www.diabetes.org |
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The American Diabetes Association (ADA) is a national organization for health professionals and consumers. Almost every state has a local office. ADA sets the standards for the care of people with diabetes. Its focus is on research for the prevention and treatment of all types of diabetes. ADA provides patient and professional education mainly through its publications, which include the monthly magazine Diabetes Forecast, books, brochures, cookbooks and meal planning guides, and pamphlets. ADA also provides information for parents about caring for a child with diabetes. |
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| Juvenile Diabetes Research Foundation International | |
| 120 Wall Street | |
| New York, NY 10005-4001 | |
| Phone: | 1-800-533-CURE (1-800-533-2873) |
| Fax: | (212) 785-9595 |
| Email: | info@jdrf.org |
| Web Address: | http://www.jdrf.org |
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The Juvenile Diabetes Research Foundation International is dedicated to finding a cure for type 1 diabetes and its complications. The organization funds research on type 1 diabetes, including research on prevention and treatment. This organization publishes a wide variety of booklets, magazines, and e-newsletters on complications and treatments of type 1 diabetes. |
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| National Diabetes Education Program (NDEP) | |
| 1 Diabetes Way | |
| Bethesda, MD 20814-9692 | |
| Phone: | 1-800-438-5383 to order materials (301) 496-3583 |
| Email: | ndep@mail.nih.gov |
| Web Address: | http://ndep.nih.gov |
|
The National Diabetes Education Program (NDEP) is sponsored by the U.S. National Institutes of Health (NIH) and the U.S. Centers for Disease Control and Prevention (CDC). The program's goal is to improve the treatment of people who have diabetes, to promote early diagnosis, and to prevent the development of diabetes. Information about the program can be found on two Web sites: one managed by NIH (http://ndep.nih.gov) and the other by CDC (www.cdc.gov/team-ndep). |
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| National Diabetes Information Clearinghouse (NDIC) | |
| 1 Information Way | |
| Bethesda, MD 20892-3560 | |
| Phone: | 1-800-860-8747 |
| Fax: | (703) 738-4929 |
| TDD: | 1-866-569-1162 toll-free |
| Email: | ndic@info.niddk.nih.gov |
| Web Address: | http://diabetes.niddk.nih.gov |
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This clearinghouse provides information about research and clinical trials supported by the U.S. National Institutes of Health. This service is provided by the National Institute of Diabetes and Digestive and Kidney Disease (NIDDK), a part of the National Institutes of Health (NIH). |
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Citations
- Tabibiazar R, Edelman S (2003). Silent ischemia in people with diabetes: A condition that must be heard. Clinical Diabetes, 21(1):5–9.
- American Diabetes Association (2004). Retinopathy in diabetes. Clinical Practice Recommendations 2004. Diabetes Care, 27(Suppl 1): S84–S87.
- American Diabetes Association (2004). Nephropathy in diabetes. Clinical Practice Recommendations 2004. Diabetes Care, 27(Suppl 1): S79–S83.
- U.S. Centers for Disease Control and Prevention (2008). National Diabetes Fact Sheet 2007. Atlanta: U.S. Department of Health and Human Services. Available online: http://www.cdc.gov/diabetes/pubs/pdf/ndfs_2007.pdf.
- American Diabetes Association (2011). Standards of medical care in diabetes – 2011. Diabetes Care, 34(Suppl 1): S11–S61.
- American Diabetes Association (2004). Hypertension management in adults with diabetes. Clinical Practice Recommendations 2004. Diabetes Care, 27(Suppl 1): S65–S67.
- American Diabetes Association (2004). Preventive foot care in diabetes. Clinical Practice Recommendations 2004. Diabetes Care, 27(Suppl 1): S63–S64.
- Nathan DM (2003). Isolated pancreas transplantation for type 1 diabetes. JAMA, 290(21): 2861–2863.
- American Diabetes Association (2004). Smoking and diabetes. Clinical Practice Recommendations 2004. Diabetes Care, 27(Suppl 1): S74–S75.
- Sigal R, et al. (2006). Prevention of cardiovascular events in diabetes, search date November 2004. Online version of Clinical Evidence. Also available online: http://www.clinicalevidence.com.
- Sutherland DE, et al. (2001). Lessons learned from more than 1,000 pancreas transplants at a single institution. Annals of Surgery, 233(4): 463–501.
Other Works Consulted
- American Diabetes Association (2004). Continuous subcutaneous insulin infusion. Diabetes Care, 27(Suppl 1): S110.
- American Diabetes Association (2008). Nutrition recommendations and interventions for diabetes. Diabetes Care, 31(Suppl 1): S61–S78.
- Hunt D (2009). Diabetes: Foot ulcers and amputations, search date November 2007. Online version of BMJ Clinical Evidence: http://www.clinicalevidence.com.
- Mendrinos E, et al. (2008). Diabetic retinopathy, search date March 2007. Online version of BMJ Clinical Evidence: http://www.clinicalevidence.com.
- Molitch ME, Genuth S (2006). Complications of diabetes mellitus. In DC Dale, DD Federman, eds., ACP Medicine, section 9, chap. 3. New York: WebMD.
- Patel J (2008). Diabetes: Managing dyslipidaemia, search date June 2007. Online version of BMJ Clinical Evidence. Also available online: http://www.clinicalevidence.com.
- Shlipak M (2010). Diabetic nephropathy: Preventing progression, search date November 2009. Online version of BMJ Clinical Evidence: http://www.clinicalevidence.com.
- Vijan S (2009). Diabetes: Treating hypertension, search date February 2009. Online version of BMJ Clinical Evidence: http://www.clinicalevidence.com.
| By | Healthwise Staff |
|---|---|
| Primary Medical Reviewer | John Pope, MD - Pediatrics |
| Specialist Medical Reviewer | David C.W. Lau, MD, PhD, FRCPC - Endocrinology |
| Last Revised | March 7, 2011 |
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ReferencesLast Revised: March 7, 2011
Author: Healthwise Staff
Medical Review: John Pope, MD - Pediatrics & David C.W. Lau, MD, PhD, FRCPC - Endocrinology
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