ST. IGNATIUS — Tribal Health wants to inform you that there is a medication recall for a medication we have dispensed at our pharmacies named metformin extended-release (ER). 

Metformin is a medication used to manage diabetes. 

The U.S. Food and Drug Administration found a chemical called “NDMA” in some brands of metformin ER tablets. 

Based on our information, there is a small number of patients who may have received a brand affected by this recall. 

NDMA (N-nitrosodimethylamine) is a chemical that is classified as a probable cancer-causing agent based on laboratory test results when ingested in large amounts. 

However, the NDMA found in these metformin ER products does not pose any immediate health risks. NDMA can be found in water and foods. The FDA determined that levels of NDMA in metformin ER are similar to the levels you would expect to find in common foods like grilled and smoked meats. 

Do not stop taking your metformin ER until you speak to your health care provider.

If you have an active prescription for metformin ER, then please call the pharmacy if you have any concerns. 

The pharmacy can determine if you need to return your metformin ER or if we need to discuss other treatment options with your health care provider. 

If you have any questions or concerns, please call Tribal Health pharmacy staff at 406-745-2426.

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