jhotsauce7
TID Board Of Directors
- Jan 18, 2011
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Precaution: There was a drug that was very similar to metformin, called phenformin, which was removed from the market by the FDA in 1976. Some physicians gave this drug to patients with kidney or liver problems, or congestive heart failure. Some of these patients died due to lactic acidosis build-up because a healthy kidney and liver were needed to metabolize the drug. It is not recommended that people who have liver or kidney problems, or congestive heart failure, use metformin due to the drug's similarities to phenformin. Those who drink excessive amounts of alcohol should not take metformin.
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