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Do I need to take diabetes medicine?

What if I have type 1 diabetes?

Type 1 is the type of diabetes that people most often get before 30 years of age. All people with type 1 diabetes need to take insulin (IN-suh-lin) because their bodies do not make enough of it. Insulin helps turn sugar from food into energy for the body to work.

What if I have type 2 diabetes?

Type 2 is the type of diabetes most people get as adults after the age of 40. But you can also get this kind of diabetes at a younger age.

Healthy eating, exercise, and losing weight may help you lower your blood sugar (also called blood glucose) when you find out you have type 2 diabetes. If these treatments do not work, you may need one or more types of diabetes pills to lower your blood sugar. After a few more years, you may need to take insulin shots because your body is not making enough insulin.

You, your doctor, and your diabetes teacher should always find the best diabetes plan for you.

Why do I need medicines for type 1 diabetes?

Most people make insulin in their pancreas. If you have type 1 diabetes, your body does not make insulin. Insulin helps sugar from the foods you eat get to all parts of your body and be used for energy.

Because your body no longer makes insulin, you need to take insulin in shots. Take your insulin as your doctor tells you. Find out more about insulin on pages 19 to 25.

Why do I need medicines for type 2 diabetes?

If you have type 2 diabetes, your pancreas usually makes plenty of insulin. But your body cannot correctly use the insulin you make. You might get this type of diabetes if members of your family have or had diabetes. You might also get type 2 diabetes if you weigh too much or do not exercise enough.

After you have had type 2 diabetes for a few years, your body may stop making enough insulin. Then you will need to take diabetes pills or insulin.

You need to know:

* Diabetes medicines that lower blood sugar never take the place of healthy eating and exercise.

* If your blood sugar gets too low more than a few times in a few days, call your doctor.

* Take your diabetes pills or insulin even if you are sick. If you cannot eat much, call your doctor.

What are the types of diabetes pills?

Many types of diabetes pills can help people with type 2 diabetes lower their blood sugar. Each type of pill helps lower blood sugar in a different way. The diabetes pill (or pills) you take is from one of these groups. You might know your pill (or pills) by a different name.

* Sulfonylureas (SUL-fah-nil-YOO-ree-ahs).

* Stimulate your pancreas to make more insulin.

* Biguanides (by-GWAN-ides).

* Decrease the amount of sugar made by your liver.

* Alpha-glucosidase inhibitors (AL-fa gloo-KOS-ih-dayss in-HIB-it-ers).

* Slow the absorption of starches you eat.

* Thiazolidinediones (THIGH-ah-ZO-li-deen-DYE-owns).

* Make you more sensitive to insulin.

* Meglitinides (meh-GLIT-in-ides).

* Stimulate your pancreas to make more insulin.

Your doctor might prescribe one pill. If the pill does not lower your blood sugar, your doctor may

* Ask you to take more of the same pills, or

* Add a new pill or insulin, or

* Ask you to change to another pill or insulin.

Questions to ask about your diabetes medicines

Ask these questions when your doctor prescribes a medicine. Write the answers in pencil so that you can make changes if your doctor changes your medicines.

* When do I take the medicine--before a meal, with a meal, or after a meal?

* How often should I take the medicine?

* Should I take the medicine at the same time every day?

* What should I do if I forget to take the medicine?

* What side effects may happen?

* What should I do if I get side effects?

What are side effects?

* Side effects are unwanted changes that may happen in your body when you take a medicine. When your doctor gives you a new medicine, ask what the side effects might be.

* Some side effects happen just when you start to take the medicine. Then they go away.

* Some side effects happen only once in a while. You may get used to them or learn how to manage them.

* Some side effects will cause you to stop taking the medicine. Your doctor may try another one that does not cause you side effects.

Sulfonylureas

Sulfonylureas (SUL-fah-nil-YOO-ree-ahs) do two things:

* They help your pancreas make more insulin, which then lowers your blood sugar.

* They help your body use the insulin it makes to better lower your blood sugar.

Other names for this medicine

For these pills to work, your pancreas has to make some insulin. Sulfonylureas can make your blood sugar too low, which is called hypoglycemia (HY-po-gly-SEE-mee-ah). Learn about low blood sugar on pages 27 to 29.

How often should I take sulfonylureas?

Some sulfonylureas work all day, so you take them only once a day. Others you take twice a day. Your doctor will tell you how many times a day you should take your diabetes pill(s). Ask if you are not sure.

When should I take sulfonylureas?

The time you take your pill depends on which pill you take and what your doctor tells you. If you take the pill once a day, you will likely take it just before the first meal of the day (breakfast). If you take the medicine twice a day, you will likely take the first pill just before your first meal, and the second pill just before the last meal of the day (supper). Take the medicine at the same times each day. Ask your doctor when you should take your pills.

What are possible side effects of sulfonylureas?

* A low blood sugar reaction (hypoglycemia).

* An upset stomach.

* A skin rash or itching.

* Weight gain.

Biguanides

Biguanides (by-GWAN-ides) are another type of diabetes medicine. Metformin (met-FOR-min) is a biguanide that helps lower blood sugar by making sure your liver does not make too much sugar. Metformin also lowers the amount of insulin in your body.

Other names for this medicine

You may lose a few pounds when you start to take metformin. This weight loss can help you control your blood glucose. Metformin can also improve blood fat and cholesterol levels, which are often not normal if you have type 2 diabetes.

A good thing about metformin is that it does not cause blood sugar to get too low (hypoglycemia) when it is the only diabetes medicine you take.

How often should I take metformin?

Two or three times a day.

When should I take metformin?

With a meal. Your doctor should tell you which meals to take it with.

What are possible side effects?

* Metformin can make you sick if you drink more than about 2 to 4 alcoholic drinks a week. If you drink more than that, tell your doctor. You should probably not take metformin.

* If you already have a kidney problem, taking metformin may make it worse. Make sure that, before you start taking metformin, your doctor knows your kidneys work well.

* If you are vomiting, have diarrhea, and cannot drink enough fluids, you may need to stop taking metformin for a few days.

* Once in a while people on metformin can become weak, tired, or dizzy and have trouble breathing. If you ever have these problems, call your doctor or get medical help right away.

* You may have nausea, diarrhea, and other stomach symptoms when you first start taking metformin. These usually go away.

* You may notice a metallic taste in your mouth.

What to know about having surgery or medical tests with dye:

* If you are having surgery, tell the doctor you take metformin. You should be told to stop taking metformin the day of the surgery. Then you should not take metformin again until you are eating and your kidneys are working normally.

* If you are having a medical test with dye, tell the doctor you take metformin. You may be told to stop taking metformin the day of the test and not take metformin again for 48 hours.

Alpha-glucosidase inhibitors

There are now two alpha-glucosidase inhibitors (AL-fa gloo-KOS-ih-dayss in-HIB-it-ers): acarbose (AK-er-bose) and miglitol (MIG-lih-tall). Both medicines block the enzymes that digest the starches you eat. This action causes a slower and lower rise of blood sugar through the day, but mainly right after meals.

Neither acarbose nor miglitol causes blood sugar to get too low (hypoglycemia) when it is the only diabetes medicine you take.

Other names for this medicine

How often should I take acarbose or miglitol?

Three times a day, at each meal. Your doctor might ask you to take the medicine less often at first.

When should I take acarbose or miglitol?

With the first bite of a meal.

What are possible side effects?

Taking this pill may cause stomach problems (gas, bloating, and diarrhea) that most often go away after you take the medicine for a while.

Thiazolidinediones

Thiazolidinediones (THIGH-ah-ZO-li-deen-DYE-owns) help your muscles make better use of your insulin. The only medicine now in this group is called troglitazone (tro-GLIT-uh-zone).

Troglitazone doesn't cause blood sugar to get too low when it is the only diabetes medicine you take.

Other names for this medicine

How often should I take troglitazone?

Usually once a day.

When should I take troglitazone?

With the same meal at the same time each day. Ask your doctor when you should take it. Your body uses this medicine best if you take it with your largest meal of the day.

What are possible side effects of troglitazone?

* Most people can take troglitazone without any side effects. A small number of people may get liver problems or liver failure from troglitazone. Before you start taking troglitazone, your doctor should do a test to make sure your liver is healthy. If you start taking troglitazone, your doctor should regularly check to see how your liver is working.

* If you take birth control pills, you should know that troglitazone might make your birth control pills less effective in preventing pregnancy. Make sure your doctor knows that you take birth control pills.

Meglitinides

Meglitinides (meh-GLIT-in-ides) are a new type of diabetes medicine. Repaglinide (re-PAG-lyn-ide) is the name of a meglitinide. This medicine helps your pancreas make more insulin right after meals, which lowers blood sugar. Your doctor might prescribe repaglinide by itself or with metformin (another diabetes medicine) if one medicine alone does not control your blood sugar levels.

Other names for this medicine

A good thing about repaglinide is that it works fast and your body uses it quickly. This fast action means you can vary the times you eat and the number of meals you eat more easily using repaglinide than you can using other diabetes medicines.

How often should I take repaglinide?

Your doctor will tell you to take repaglinide before you eat a meal. If you skip a meal, you should not take the dose of repaglinide.

When should I take repaglinide?

From 30 minutes before to just before a meal. Repaglinide lowers blood sugar the most 1 hour after you take it, and it is out of the bloodstream in 3 to 4 hours.

What are possible side effects of repaglinide?

* A low blood glucose reaction (hypoglycemia).

* Weight gain.

You need to know:

* Do not change or stop taking your diabetes medicine without first talking to your doctor.

* Your doctor might ask you to switch from pills to insulin shots if your pancreas stops making enough insulin.

What do I need to know about insulin?

If your pancreas no longer makes enough insulin, then you need to take insulin as a shot. You inject the insulin just under the skin with a small, short needle.

Can insulin be taken as a pill?

Insulin is a protein. If you took insulin as a pill, your body would break it down and digest it before it got into your blood to lower your blood sugar.

How does insulin work?

Insulin lowers blood sugar by moving sugar from the blood into the cells of your body. Once inside the cells, sugar provides energy. Insulin lowers your blood sugar whether you eat or not. You should eat on time if you take insulin.

How often should I take insulin?

Most people with diabetes need at least two insulin shots a day for good blood sugar control. Some people take three or four shots a day to have a more flexible diabetes plan.

When should I take insulin?

You should take insulin 30 minutes before a meal if you take regular insulin alone or with a longer-acting insulin. If you take insulin lispro (Humalog), an insulin that works very quickly, you should take your shot just before you eat.

Are there several types of insulin?

Yes. There are five main types of insulin. They each work at different speeds. Many people take two types of insulin.

The five types of insulin are

Quick-acting, insulin lispro (Humalog) Starts working in 5 to 15 minutes. Lowers blood sugar most in 45 to 90 minutes. Finishes working in 3 to 4 hours.

Short-acting, Regular (R) insulin Starts working in 30 minutes. Lowers blood sugar most in 2 to 5 hours. Finishes working in 5 to 8 hours.

Intermediate-acting, NPH (N) or Lente (L) insulin Starts working in 1 to 3 hours. Lowers blood sugar most in 6 to 12 hours. Finishes working in 16 to 24 hours.

Long-acting, Ultralente (U) insulin Starts working in 4 to 6 hours. Lowers blood sugar most in 8 to 20 hours. Finishes working in 24 to 28 hours.

NPH and Regular insulin mixture Two types of insulins mixed together in one bottle. Starts working in 30 minutes. Lowers blood sugar most in 7 to 12 hours. Finishes working in 16 to 24 hours.

Does insulin work the same all the time?

After a short time, you will get to know when your insulin starts to work, when it works its hardest to lower blood sugar, and when it finishes working.

You will learn to match your mealtimes and exercise times to the time when each insulin dose you take works in your body.

How quickly or slowly insulin works in your body depends on

* Your own response.

* The place on your body where you inject insulin.

* The type and amount of exercise you do and the length of time between your shot and exercise.

Where on my body should I inject insulin?

You can inject insulin into several places on your body. Insulin injected near the stomach works fastest. Insulin injected into the thigh works slowest. Insulin injected into the arm works at medium speed. Ask your doctor or diabetes teacher to show you the right way to take insulin and in which parts of the body to inject it.

How should I store insulin?

* If you use a whole bottle of insulin within 30 days, keep that bottle of insulin at room temperature. On the label, write the date that is 30 days away. That is when you should throw out the bottle with any insulin left in it.

* If you do not use a whole bottle of insulin within 30 days, then store it in the refrigerator all the time.

* If insulin gets too hot or cold, it breaks down and does not work. So, do not keep insulin in very cold places such as the freezer, or in hot places, such as by a window or in the car's glove compartment during warm weather.

* Keep at least one extra bottle of each type of insulin you use in your house. Store extra insulin in the refrigerator.

What are possible side effects of insulin?

* A low blood sugar reaction (hypoglycemia).

* Weight gain.

Might I take more than one diabetes medicine at a time?

Yes. Your doctor may ask you to take more than one diabetes medicine at a time. Some diabetes medicines that lower blood sugar work well together. Here are examples:

Two diabetes pills

If one type of pill alone does not control your blood sugar, then your doctor might ask you to take two kinds of pills. Each type of pill has its own way of acting to lower blood sugar. Here are pills used together:

* A sulfonylurea and metformin.

* A sulfonylurea and acarbose.

* Metformin and acarbose.

* Repaglinide and metformin.

Diabetes pills and insulin

Your doctor might ask you to take insulin and a diabetes pill:

* A sulfonylurea.

* Metformin.

* Troglitazone.

What should I know about low blood sugar?

Sulfonylureas, meglitinides, and insulin are the types of diabetes medicines that can make blood sugar too low. Low blood sugar can happen for many reasons:

* Delaying or skipping a meal.

* Eating too little food at a meal.

* Getting more exercise than usual.

* Taking too much diabetes medicine.

* Drinking alcohol.

You know your blood sugar may be low when you feel one or more of the following:

* Dizzy or light-headed.

* Hungry.

* Nervous and shaky.

* Sleepy or confused.

* Sweaty.

If you think your blood sugar is low, test it to see for sure. If your blood sugar is at or below 70 mg/dL, eat one of these items to get 15 grams of carbohydrate:

* 1/2 cup (4 oz.) of any fruit juice.

* 1 cup (8 oz.) of fat-free or low-fat milk.

* 4 teaspoons of granulated white sugar.

* 1/3 cup (3 oz.) of regular soda.

* 8 Lifesavers.

* Glucose gel or tablets (take the amount noted on the package to add up to 15 grams of carbohydrate).

Test your blood sugar again 15 minutes later. If it is still below 70 mg/dL, then eat another 15 grams of carbohydrate. Then test your blood sugar again in 15 minutes.

If you cannot test your blood sugar right away but you feel symptoms of low blood sugar, eat one of the items listed above.

If your blood sugar is not low, but you will not eat your next meal for at least an hour, then have a snack with starch and protein. Here are some examples:

* Crackers and peanut butter or cheese.

* Half of a ham or turkey sandwich.

* A cup of milk and crackers or cereal.

My diabetes medicines

Fill in the names of your diabetes medicines, when you should take them, and how much you should take. Your doctor or diabetes teacher can help you fill in this record. Write this in pencil so you can make changes when your doctor makes changes in your diabetes medicines.

* I should call my doctor or diabetes teacher if I have these problems with my diabetes medicines:

* I should call my doctor or diabetes teacher if my blood sugar is too low or too high for several days.

* My blood sugar should be between mg/dL and mg/dL before my first meal of the day.

* My blood sugar should be between mg/dL and mg/dL 1 to 2 hours after a meal.

* My blood sugar is too low at mg/dL.

* My blood sugar is too high at mg/dL.

* My hemoglobin A-1-c should be %.

How do I know if my diabetes medicines are working?

Learn to test your blood sugar. Ask your doctor or diabetes teacher about the best testing tools for you and how often to test. After you test your blood sugar, write down your blood sugar test results. Then ask your doctor or diabetes teacher if your diabetes medicines are working. A good blood sugar reading before meals is between 70 and 140 mg/dL.

Ask your doctor or diabetes teacher about how low or how high your blood sugar should get before you take action. For many people, blood sugar is too low below 70 mg/dL and too high above 240 mg/dL.

One other number to know is the result of a blood test your doctor does called hemoglobin A-l-c (HE-muh-glow-bin A-1-C) or glycated hemoglobin (GLY-kay-ted HE-muh-glow-bin). It shows your blood sugar control during the last 2 to 3 months. For most people, a good hemoglobin A-1-c is 7 percent.

Hold on to this booklet!

Your diabetes medicines may change in the future. This booklet can help you again.

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).

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

To find a program near you, call 1-800-DIABETES (1-800-342-2383) or look at its Internet home page <http:// www.diabetes.org> and click on "Diabetes Info."

Dietitians

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

The U.S. Government does not endorse or favor any specific commercial product or company. Brand names appearing in this publication are used only because they are considered essential in the context of the information reported herein.

Acknowledgments

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

COPYRIGHT 2000 National Institute of Diabetes & Digestive & Kidney Diseases
COPYRIGHT 2004 Gale Group