Type 2 Diabetes: Living With Complications - Topic Overview

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This topic provides information for people who have complications from diabetes, such as eye, kidney, heart, nerve, or blood vessel disease. If this topic does not answer your questions, see:
Type 2 Diabetes, if you want to learn about type 2 diabetes but do not have the disease.
Type 2 Diabetes: Recently Diagnosed, if you have been told recently that you have type 2 diabetes.
Type 2 Diabetes in Children, if your child has been diagnosed with type 2 diabetes.
Type 2 Diabetes: Living With the Disease, if you have type 2 diabetes. If you have not read the topic Type 2 Diabetes: Recently Diagnosed, you may want to read it first.
Diabetic Retinopathy, Diabetic Neuropathy, or Diabetic Nephropathy, if you want more information on these complications of diabetes.

If you are looking for information about type 1 diabetes, see the topic Type 1 Diabetes.
What is type 2 diabetes?

Type 2 diabetes is a lifelong disease that develops when the pancreas cannot produce enough insulin or the body’s tissues become resistant to it. Insulin is a hormone that helps the body’s cells use sugar (glucose) for energy. It also helps the body store extra sugar in muscle, fat, and liver cells. Without insulin, sugar can’t get into the cells, and it builds up in the blood instead. This causes high blood sugar.

Over time, high blood sugar can cause serious problems with your eyes, heart, blood vessels, nerves, and kidneys. It also makes you more likely to get severe illnesses or infections. When diabetes causes other problems, they are called complications.
What is it like to live with the complications?

Diabetes and its complications can change your life. Living with health problems caused by diabetes can be an ongoing struggle. It is a lot of work to monitor your health, 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. Counseling or a diabetes support group may also help.
What are the complications from diabetes?

The complications from diabetes are:
Hardening of the arteries (atherosclerosis). It can cause coronary artery disease, peripheral arterial disease, stroke, or heart attack.
Diabetic retinopathy. This is a type of eye disease that can lead to vision loss.
Diabetic nephropathy. This is kidney disease that has no early symptoms but can lead to kidney failure.
Diabetic neuropathy. This is a nerve disease that can affect your internal organs as well as your ability to feel touch and pain, especially in your feet.
What are the symptoms of diabetes complications?

Your symptoms will vary depending on which complications you have.
Heart disease can cause chest pain (also called angina) or shortness of breath when you exercise. You may have other symptoms, such as dizziness or lightheadedness, shoulder or stomach pain, or a racing heartbeat. Some people don’t have any symptoms until they have a heart attack or stroke.
Circulation problems in your legs and feet (peripheral arterial disease) can cause changes in skin color, decreased sensation, and leg cramps during exercise.
Eye disease can cause vision problems, blindness, or (rarely) pain in your eyes.
Kidney disease may not cause any symptoms at first. As time goes on, you may have swelling in your feet and legs and, later, throughout your body. It can also cause high blood pressure over time.
Nerve disease causes different symptoms depending on which nerves are affected.
If the nerves related to feeling and touch are affected, it can cause tingling, numbness, tightness, burning, or shooting or stabbing pain in your feet, hands, or other parts of your body, especially at night. It is possible that you may not notice an injury, especially on your foot, until a severe infection develops. A bad foot infection can spread up your leg and into your bones. If this happens, the affected limb may need to be removed (amputated).
If the nerves that control internal organs are damaged, you may have digestion, bladder, or sexual problems. You may also sweat a lot or too little, feel dizzy or weak, or faint when you stand up. It may become hard to tell when your blood sugar is low.
How are they treated?

The treatment for complications focuses on stopping or at least slowing down the damage. Depending on the problem, treatment may include medicine, surgery, or other therapies. Early treatment for a complication can help slow the damage and may prevent other problems.

Here are 7 steps people with diabetes can take to help keep health problems from getting worse.
Keep your blood sugar as close to normal as possible. Part of your daily routine includes checking your blood sugar levels regularly as advised by your doctor.
Lose weight if you are overweight, exercise, and try to eat about the same amount of carbohydrate at each meal. Making these lifestyle changes may make you feel better and help control your blood sugar.
If you are age 30 or older, talk to your doctor about taking a low-dose, or baby, aspirin each day. This may help prevent heart attack, stroke, or other large blood vessel disease.
Don’t smoke. Smoking increases your risk for heart attack, stroke, and many other serious problems.
Take medicine, if needed, to control high blood pressure and high cholesterol. This may help prevent other diabetes complications.
Take care of your feet. Wash and dry them carefully every day, and look for any sores or injuries that you may not feel because of nerve damage.
Have regular checkups every 3 to 4 months (or more if needed), and watch for signs of other problems. During these visits, your doctor will review your treatment and look for other problems. Also be sure to see your eye doctor and dentist regularly.

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