A client taking lithium carbonate reports vomiting, abdominal pain, diarrhea, blurred vision, tinnitus, and tremors. The lithium level is checked as a part of the routine follow-up, and the level is...

A client taking lithium carbonate reports vomiting, abdominal pain, diarrhea, blurred vision, tinnitus, and tremors. The lithium level is checked as a part of the routine follow-up, and the level is 3.0 mEq/L (3.0 mmol/L). The nurse knows that this is which level?

1. Toxic

2. Normal

3. Slightly above normal

4. Excessively below normal