Type 2 Diabetes Medications


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Content

Diabetes

Diabetes Information

-Diabetes Facts
-History of Diabetes
-Causes of Diabetes
-Diabetes Complications
-Diabetes Education
-Diabetes Research

Diabetes Mellitus

-Diabetes Mellitus Symptoms
-Type 1 Diabetes Mellitus
-Type 2 Diabetes Mellitus
-Diabetes Mellitus Treatment

Types of Diabetes

Type 1 Diabetes
-Type 1 Diabetes Mellitus
-Type 1 Diabetes Symptoms
-Type 1 Diabetes Diet
-Type 1 Diabetes Cure

Type 2 Diabetes
-Type 2 Diabetes Mellitus
-Type 2 Diabetes Symptoms
-Type 2 Diabetes Causes
-Type 2 Diabetes Diet
-Treatment of Type 2 Diabetes
-Type 2 Diabetes Medications

Gestational Diabetes
-Gestational Diabetes Test
-Gestational Diabetes Symptoms
-Gestational Diabetes Diet Plan
-Gestational Diabetes Treatment

Juvenile Diabetes
-Juvenile Diabetes Symptoms
-Juvenile Diabetes Treatment

Diabetes Insipidus
-Nephrogenic Diabetes Insipidus
-Treatment for Diabetes Insipidus

Feline Diabetes

Diabetes Symptoms
-Signs of Diabetes
Also: Diabetes Sign Symptoms
-Type 2 Diabetes Symptoms
Also: Type II Diabetes Symptoms
-Gestational Diabetes Symptoms
-Symptoms, Juvenile Diabetes
Also: Diabetes Symptoms in Child

Diabetes Diet
-Diabetes Food
-Diabetes Nutrition
-Diabetes Diet Plan
-Type 2 Diabetes Diet

Diabetes Supply
-Diabetes Testing Supply

Diabetes Treatment
-Diabetes Medications
-Alternative Treatment for Diabetes

Insulin
-Insulin Resistance
-Insulin Pump
-Lantus Insulin

Diabetes Care
-Diabetes Management
-Diabetes Associations
-Diabetes Prevention
-Diabetes Cure

Diabetes is the No. 6 leading causes of deaths in the United States, according to 2001 data from the United States National Center for Health Statistics.

Treatment of Type 2 Diabetes

The first treatment for type 2 diabetes is often meal planning for blood glucose (sugar) control, weight loss, and exercising. Sometimes these measures are not enough to bring blood glucose levels down near the normal range. The next step is taking a medicine that lowers blood glucose levels. There are two kinds of medicines: oral medications (pills) and insulin shots. Diabetes pills are not insulin.

How they work

In people with diabetes, blood glucose levels are too high. These high levels occur because glucose remains in the blood rather than entering cells, where it belongs. But for glucose to pass into a cell, insulin must be present and the cell must be "hungry" for glucose.

People with type 1 diabetes don't make insulin. For them, insulin shots are the only way to keep blood glucose levels down.

People with type 2 diabetes tend to have two problems: they don't make quite enough insulin and the cells of their bodies don't seem to take in glucose as eagerly as they should.

All diabetes pills sold today in the United States are members of five classes of drugs: sulfonylureas, meglitinides, biguanides, thiazolidinediones, and alpha-glucosidase inhibitors. These five classes of drugs work in different ways to lower blood glucose levels.

Sulfonylureas

Sulfonylureas stimulate the beta cells of the pancreas to release more insulin. Sulfonylurea drugs have been in use since the 1950s. Chlorpropamide (brand name Diabinese) is the only first-generation sulfonylurea still in use today. The second generation sulfonylureas are used in smaller doses than the first-generation drugs. There are three second-generation drugs: glipizide (brand names Glucotrol and Glucotrol XL), glyburide (Micronase, Glynase, and Diabeta), and glimepiride (Amaryl). These drugs are generally taken one to two times a day, before meals. All sulfonylurea drugs have similar effects on blood glucose levels, but they differ in side effects, how often they are taken, and interactions with other drugs.

Meglitinides

Meglitinides are drugs that also stimulate the beta cells to release insulin. Repaglinide (brand name Prandin) and nateglinide (Starlix) are meglitinides. They are taken before each of three meals.

Because sulfonylureas and meglitinides stimulate the release of insulin, it is possible to have hypoglycemia (low blood glucose levels).

You should know that alcohol and some diabetes pills may not mix. Occasionally, chlorpropamide, and other sulfonylureas, can interact with alcohol to cause vomiting, flushing, or sickness. Ask your doctor if you are concerned about any of these side effects.

Biguanides

Metformin (brand name Glucophage) is a biguanide. Biguanides lower blood glucose levels primarily by decreasing the amount of glucose produced by the liver. Metformin also helps to lower blood glucose levels by making muscle tissue more sensitive to insulin so glucose can be absorbed. It is usually taken two times a day. A side effect of metformin may be diarrhea, but this is improved when the drug is taken with food.

Thiazolidinediones

Rosiglitazone (Avandia), troglitazone (Rezulin), and pioglitazone (ACTOS) form a group of drugs called thiazolidinediones. These drugs help insulin work better in the muscle and fat and also reduce glucose production in the liver. Thiazolidinediones are taken once or twice a day with food. Although effective in lowering blood glucose levels, thiazolidinediones can have a rare but serious effect on the liver. For this reason, your doctor will perform blood tests regularly to monitor the health of your liver.

Alpha-glucosidase inhibitors

Acarbose (brand name Precose) and meglitol (Glyset) are alpha-glucosidase inhibitors. These drugs help the body to lower blood glucose levels by blocking the breakdown of starches, such as bread, potatoes, and pasta in the intestine. They also slow the breakdown of some sugars, such as table sugar. Their action slows the rise in blood glucose levels after a meal. They should be taken with the first bite of a meal. These drugs may have side effects, including gas and diarrhea.

Oral combination therapy

Because the drugs listed above act in different ways to lower blood glucose levels, they may be used together. For example, a biguanide and a sulfonylurea may be used together. Many combinations can be used. Though taking more than one drug can be more costly and can increase the risk of side effects, combining oral medications can improve blood glucose control when taking only a single pill does not have the desired effects. Switching from one single pill to another is not as effective as adding another type of diabetes medicine.

Can diabetes pills help me?

Only people with type 2 diabetes can use pills to manage their diabetes. These pills work best when used with meal planning and exercise. This way you have three therapies working together to lower your blood glucose levels.

Diabetes pills don't work for everyone. Although most people find that their blood glucose levels go down when they begin taking pills, their blood glucose levels may not go near the normal range.

What are the chances that diabetes pills will work for you? Your chances are low if you have had diabetes for more than 10 years or already take more than 20 units of insulin each day. On the other hand, your chances are good if you developed diabetes recently or have needed little or no insulin to keep your blood glucose levels near normal.

Diabetes pills sometimes stop working after a few months or years. The cause is often unknown. This doesn't mean your diabetes is worse. When this happens, oral combination therapy can help.

Even if diabetes pills do bring your blood glucose levels near the normal range, you may still need to take insulin if you have a severe infection or need surgery. Pills may not be able to control blood glucose levels during these stressful times when blood glucose levels shoot up.

Also, if you plan to become pregnant, you will need to control your diabetes with diet and exercise or with insulin. It is not safe for pregnant women to take oral diabetes medications.

There is no "best" pill or treatment for type 2 diabetes. You may need to try more than one type of pill, combination of pills, or pills plus insulin.

What about insulin?

Although it is a common practice to try pills before insulin, you may start on insulin based on several factors. These factors include:

how long you have had diabetes
how high your blood glucose level is
what other medicines you take
your overall health

Because diabetes pills seem to help the body use insulin better, some people take them along with insulin shots. The idea behind this "combination" therapy is to try to help insulin work better.

Using diabetes pills wisely

In general, these pills are safe and work well. But like any other drug, they must be used with care.

All diabetes pills can interact with other medicines. Because of the chance of medication interactions, you need to tell your doctor about all medicines you are taking. While you're taking diabetes pills, you should check with your doctor even before starting anything new -- even over-the-counter items.

Any sulfonylurea or meglitinide can cause blood glucose levels to drop too low (hypoglycemia). Metformin or the glitazones rarely cause hypoglycemia unless taken with insulin stimulators (sulfonylureas or repaglinide) or insulin injections. Acarbose or meglitol, taken as prescribed, does not cause hypoglycemia. However, hypoglycemia can occur when acarbose or meglitol is taken in combination with other oral diabetes medications.

The cost of care

Costs vary widely among the different pills. Even the same medication can vary in price from store to store. Call around to find the best price for the one you take.

Generic versions of some sulfonylureas are available. These cost less than brand-name products and in general are reliable. There is now a generic Metformin (brand name Glucophage).

To save you more money, ask your doctor to prescribe the largest tablet strength suitable for the dose you need. One 500-mg tablet, for example, often costs much less than two 250-mg tablets. You can then use a pill splitter (available at any pharmacy) to cut the larger tablet into halves or quarters to get the appropriate dose, if necessary. (Caution: some extended-release drugs will not work properly if they are cut into pieces; check with your pharmacist or doctor before using a pill splitter.)

Diabetes pills aren't perfect, but they can help to lower glucose levels for many people with type 2 diabetes. Keeping your blood glucose levels close to normal will help to reduce your risks for the long-term complications in the future and help you feel your best today.

(From American Diabetes Association)