Metformin has been prescribed for an older patient with renal insufficiency and a new diagnosis of type 2 diabetes mellitus. What is the nurse's priority action?
1. Begin instruction on a new medication regime.
2. Hold the Metformin and contact the healthcare provider.
3. Obtain a fasting blood sugar prior to administration.
4. Instruct the patient on subcutaneous injections.
2. Hold the Metformin and contact the healthcare provider.
Explanation: 1. Metformin should not be used by older adults with renal insufficiency. Instruction should not begin.
2. Metformin should not be used by older adults with renal insufficiency. The medication should be held and the provider contacted.
3. Metformin should not be used by older adults with renal insufficiency, and a fasting blood glucose is not a priority.
4. Metformin is administered orally, not by injection, but it should not be used by older adults with renal insufficiency.
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