Do not use in type 1 diabetes or treatment of diabetic ketoacidosis. Acute pancreatitis, fatal & non-fatal hemorrhagic or necrotizing pancreatitis w/c is persistent, severe abdominal pain. Risk of metformin accumulation & lactic acidosis increases w/ degree of impairment of renal function. Not recommended in patients w/ eGFR <30 mL/min/1.73 m
2. Hypoglycemia in combination w/ insulin or sulfonylurea. Hypoglycemic effects in elderly, debilitated, or malnourished patients, & those w/ adrenal or pituitary insufficiency or alcohol intoxication. Concomitant use of cationic drugs that are eliminated by renal tubular secretion. Discontinue prior to & w/hold for 48 hr subsequent to an iodinated contrast imaging procedure in patients w/ eGFR ≥30 to <60 mL/min/1.73 m
2, history of hepatic impairment, alcoholism or heart failure or in patients who will be administered intra-arterial iodinated contrast. Acute CHF, acute MI & other conditions characterized by hypoxemia. Suspend therapy prior to surgical procedure until resumption of oral intake & renal function is acceptable. Avoid excessive alcohol intake. Impaired hepatic function. Monitor vit B
12 level. Evaluate patient for ketoacidosis or lactic acidosis. W/hold therapy if fever, trauma, infection or surgery, temporary loss of glycemic control may occur. Monitor renal function especially in elderly. Pregnancy & lactation. Childn <18 yr.