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What is the effect of lithium on serum glucose levels?

  1. Decrease serum glucose levels

  2. Increase serum glucose levels

  3. No effect on serum glucose levels

  4. Stabilize serum glucose levels

The correct answer is: Decrease serum glucose levels

Lithium is known to decrease serum glucose levels. This effect is important to note for patients who are taking lithium, as it can potentially lead to hypoglycemia. It is essential for healthcare providers to monitor blood glucose levels closely in patients taking lithium to ensure any changes are identified and managed promptly.