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Thiazolidinediones are also available in combination with other medicines. Pioglitazone is combined with the biguanide medicine metformin (Actoplus Met) and the sulfonylurea medicine glimepiride (Duetact).
Rosiglitazone is combined with metformin (Avandamet) and the sulfonylurea medicine glimepiride (Avandaryl).
Rosiglitazone and combination medicine using rosiglitazone are available only for people specially qualified to take them. These medicines are available only through certified pharmacies.
These medicines lower
insulin resistance in muscle and fat. They also reduce glucose produced by the liver.
Thiazolidinediones are usually
used when other medicines have failed to lower blood sugar levels into a
These medicines sometimes lower triglycerides and raise HDL cholesterol.
Type 2 diabetes is a disease that can get worse over time, so medicines may need to change.
Diabetes medicines work best for people who are being active and eating healthy foods. Studies have suggested that thiazolidinediones lower hemoglobin A1c by 0.5% to 1.4%.1
All medicines have side effects. But many people don't feel the side effects, or they are able to deal with them. Ask your pharmacist about the side effects of each medicine you take. Side effects are also listed in the information that comes with your medicine.
Here are some important things to think about:
or other emergency services right away if you have:
Call your doctor immediately if you have:
Common side effects of this medicine include:
Reference for a full list of side effects. (Drug Reference is not available in
Women who have stopped
menstruating before they start taking these medicines may begin menstruating
again and may become pregnant. Also, women who take oral contraceptives to prevent pregnancy may become pregnant.
Women who take rosiglitazone (Avandia) or pioglitazone
(Actos) may increase their risk for upper arm or foot fractures, according to a
warning from the U.S. Food and Drug Administration (FDA).
The U.S. Food and Drug Administration (FDA) warns that taking pioglitazone (Actos) may raise the chance of getting bladder cancer.
Medicine is one of the many tools your doctor has to treat a health problem. Taking medicine as your doctor suggests will improve your health and may prevent future problems. If you don't take your medicines properly, you may be putting your health (and perhaps your life) at risk.
There are many reasons why people have trouble taking their medicine. But in most cases, there is something you can do. For suggestions on how to work around common problems, see the topic Taking Medicines as Prescribed.
If you are pregnant, breast-feeding, or planning to get pregnant, do not use any medicines unless your doctor tells you to. Some medicines can harm your baby. This includes prescription and over-the-counter medicines, vitamins, herbs, and supplements. And make sure that all your doctors know that you are pregnant, breast-feeding, or planning to get pregnant.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to know your test results and keep a list of the medicines you take.
Complete the new medication information form (PDF)(What is a PDF document?) to help you understand this medication.
Inzucchi SE, et al. (2012). Management of hyperglycemia in type 2 diabetes: A patient-centered approach. Diabetes Care, 35(6): 1364–1379.
Current as of:
June 4, 2014
E. Gregory Thompson, MD - Internal Medicine
& David C.W. Lau, MD, PhD, FRCPC - Endocrinology
How this information was developed to help you make better health decisions.
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