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Which step should be taken prior to prescribing metformin?
O Tell the patient to stop taking any sulfonylurea to avoid dangerous drug interactions.
O Draw a serum creatinine to assess renal function
O Draw an ALT and AST to assess liver function.
O Try the patient on insulin.



Answer :

hafsakhanx

The correct step to be taken prior to prescribing metformin is:

B. Draw a serum creatinine to assess renal function.

Assessing renal function before prescribing metformin is important because metformin is primarily excreted by the kidneys. Impaired renal function can lead to the accumulation of metformin in the body, increasing the risk of lactic acidosis, a rare but serious side effect. Therefore, evaluating renal function helps ensure the safe use of metformin in patients.

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