If a client’s lithium level is 2.3 mEq/L, which symptom is most likely to occur?

A lithium level of 2.3 mEq/L is considered above the therapeutic range and indicates a state of lithium toxicity. Symptoms of lithium toxicity can vary in severity, but one common symptom is blurred vision. This visual disturbance can occur as a result of the impact of lithium on the nervous system, affecting visual processing.

Understanding the implications of elevated lithium levels is crucial, as they can lead to a range of other symptoms as well. Options related to weight gain and increased energy levels are typically associated with stable lithium therapy or specific side effects but are not indicative of acute toxicity. Decreased appetite might occur for various reasons, including other medical conditions or medications, but is not a primary concern in cases of severe lithium toxicity. In this context, blurred vision stands out as a clear indicator of potential complications arising from elevated lithium levels.