Type 2 diabetes: MedlinePlus Medical Encyclopedia


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    At first, the goal of treatment is to lower your high blood glucose level. Long-term goals are to prevent complications. These are health problems that can result from having diabetes.

    The most important way to treat and manage type 2 diabetes is by being active and eating healthy foods.

    Everyone with diabetes should receive proper education and support about the best ways to manage their diabetes. Ask your provider about seeing a certified diabetes care and education specialist and a dietitian.


    Learning diabetes management skills will help you live well with diabetes. These skills help prevent health problems and the need for medical care. Skills include:

    • How to test and record your blood glucose
    • What, when, and how much to eat
    • How to safely increase your activity and control your weight
    • How to take medicines, if needed
    • How to recognize and treat low and high blood sugar
    • How to handle sick days
    • Where to buy diabetes supplies and how to store them

    It may take several months to learn these skills. Keep learning about diabetes, its complications, and how to control and live well with the disease. Stay up-to-date on new research and treatments. Make sure you are getting information from trustworthy sources, such as your provider and diabetes educator.


    Checking your blood sugar level yourself and writing down the results tells you how well you are managing your diabetes. Talk to your provider and diabetes educator about how often to check.

    To check your blood sugar level, you use a device called a glucose meter. Usually, you prick your finger with a small needle, called a lancet. This gives you a tiny drop of blood. You place the blood on a test strip and put the strip into the meter. The meter gives you a reading that tells you the level of your blood sugar.

    Your provider or diabetes educator will help set up a testing schedule for you. Your provider will help you set a target range for your blood sugar numbers. Keep these factors in mind:

    • Most people with type 2 diabetes only need to check their blood sugar once or twice a day.
    • If your blood sugar level is under control, you may only need to check it a few times a week.
    • You may test yourself when you wake up, before meals, and at bedtime.
    • You may need to test more often when you are sick or under stress.
    • You may need to test more often if you are having more frequent low blood sugar symptoms.

    Keep a record of your blood sugar for yourself and your provider. Based on your numbers, you may need to make changes to your meals, activity, or medicines to keep your blood sugar level in the right range. Always bring your blood glucose meter to medical appointments so the data can be downloaded and discussed.

    Your provider may recommend that you use a continuous glucose monitor (CGM) to measure blood sugar if:

    • You are using insulin injections many times a day
    • You have had an episode of severe low blood sugar
    • Your blood sugar level varies a lot

    The CGM has a sensor that is inserted just under the skin to measure glucose in your tissue fluid every 5 minutes.


    Work closely with your health care providers to learn how much fat, protein, and carbohydrates you need in your diet. Your meal plans should fit your lifestyle and habits and should include foods that you like.

    Managing your weight and having a well-balanced diet are important. Some people with type 2 diabetes can stop taking medicines after losing weight. This does not mean that their diabetes is cured. They still have diabetes.

    Obese people whose diabetes is not well managed with diet and medicine may consider weight loss (bariatric) surgery.


    Regular activity is important for everyone. It is even more important when you have diabetes. Exercise is good for your health because it:

    • Lowers your blood sugar level without medicine
    • Burns extra calories and fat to help manage your weight
    • Improves blood flow and blood pressure
    • Increases your energy level
    • Improves your ability to handle stress

    Talk to your provider before starting any exercise program. People with type 2 diabetes may need to take special steps before, during, and after physical activity or exercise, including adjusting doses of insulin if needed.


    If diet and exercise do not help keep your blood sugar at normal or near-normal levels, your provider may prescribe medicine. Since these drugs help lower your blood sugar level in different ways, your provider may have you take more than one drug.

    Some of the most common types of medicines are listed below. They are taken by mouth or injection.

    • Alpha-glucosidase inhibitors
    • Biguanides
    • Bile acid sequestrants
    • DPP-4 inhibitors
    • Injectable medicines (GLP-1 analogs)
    • Meglitinides
    • SGLT2 inhibitors
    • Sulfonylureas
    • Thiazolidinediones

    You may need to take insulin if your blood sugar cannot be controlled with some of the above medicines. Most commonly, insulin is injected under the skin using a syringe, insulin pen, or pump. Another form of insulin is the inhaled type. Insulin cannot be taken by mouth because the acid in the stomach destroys the insulin.


    Your provider may prescribe medicines or other treatments to reduce your chance of developing some of the more common complications of diabetes, including:


    People with diabetes are more likely than those without diabetes to have foot problems. Diabetes damages the nerves. This can make your feet less able to feel pressure, pain, heat, or cold. You may not notice a foot injury until you have severe damage to the skin and tissue below, or you get a severe infection.

    Diabetes can also damage blood vessels. Small sores or breaks in the skin may become deeper skin sores (ulcers). The affected limb may need to be amputated if these skin ulcers do not heal or become larger, deeper, or infected.

    To prevent problems with your feet:

    • Stop smoking if you smoke.
    • Improve control of your blood sugar.
    • Get a foot exam by your provider at least twice a year to learn if you have nerve damage.
    • Ask your provider to check your feet for problems such as calluses, bunions or hammertoes. These need to be treated to prevent skin breakdown and ulcers.
    • Check and care for your feet every day. This is very important when you already have nerve or blood vessel damage or foot problems.
    • Treat minor infections, such as athlete’s foot, right away.
    • Use moisturizing lotion on dry skin.
    • Make sure you wear the right kind of shoes. Ask your provider what type of shoe is right for you.


    Living with diabetes can be stressful. You may feel overwhelmed by everything you need to do to manage your diabetes. But taking care of your emotional health is just as important as your physical health.

    Ways to relieve stress include:

    • Listening to relaxing music
    • Meditating to take your mind off your worries
    • Deep breathing to help relieve physical tension
    • Doing yoga, taichi, or progressive relaxation

    Feeling sad or down (depressed) or anxious sometimes is normal. But if you have these feelings often and they’re getting in the way of managing your diabetes, talk with your health care team. They can find ways to help you feel better.

    People with diabetes should make sure to keep up on their vaccination schedule.



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