Wednesday, February 11, 2009

Metformin


Metformin (INN; trade names Glucophage, Riomet, Fortamet, Glumetza, Obimet, Dianben, Diabex, Diaformin, and others) (IPA: /mɛtˈfɔrmɪn/) is an oral anti-diabetic drug from the biguanide class. It is the first-line drug for the treatment of type 2 diabetes, particularly in overweight and obese people and those with normal kidney function,[1][2][3] and evidence suggests it may be the best choice for people with heart failure.[4] Metformin is the most popular anti-diabetic drug in the United States and one of the most prescribed drugs in the country overall, with nearly 35 million prescriptions filled in 2006 for generic metformin alone.[5] It is also used in the treatment of polycystic ovary syndrome.
When prescribed appropriately, metformin causes few adverse effects—the most common is gastrointestinal upset—and, unlike many other anti-diabetic drugs, does not cause hypoglycemia if used alone. It also helps reduce LDL cholesterol and triglyceride levels, and may aid weight loss. As of 2008[update], metformin is one of only two oral anti-diabetics in the World Health Organization Model List of Essential Medicines (the other being glibenclamide).[6]

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