Not to prescribe metformin (Glucophage) to patients with congestive heart failure

    There's a new warning NOT to prescribe metformin (Glucophage) to patients with congestive heart failure.

    These patients have a higher risk of lactic acidosis due to poor tissue perfusion and hypoxia.

    Other patients at risk for lactic acidosis are those with reduced renal function...sepsis...excessive alcohol intake...chronic respiratory insufficiency...or advanced age.

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