Which medication is indicated as augmentation in bipolar disorder and is available in a long-acting injectable form?

The medication indicated for augmentation in bipolar disorder and available in a long-acting injectable form is olanzapine (Zyprexa). Olanzapine is an atypical antipsychotic that is effective in managing both manic and depressive episodes of bipolar disorder. Its long-acting injectable form provides a convenient option for patients who may have difficulty adhering to a daily oral medication regimen, ensuring sustained therapeutic levels of the medication.

This long-acting formulation can help in stabilizing mood and preventing relapse, which is crucial in the management of bipolar disorder. Augmentation strategies in bipolar disorder often involve adding medications to enhance the efficacy of existing treatments, and olanzapine's proven track record in this context makes it an appropriate choice.

Other medications mentioned may not be available in the long-acting injectable form for this specific use or may be less commonly employed as augmentation strategies in bipolar disorder. Clozapine, while effective for treatment-resistant conditions, is not typically used first-line for bipolar disorder and requires careful monitoring due to its side effects. Risperidone does have a long-acting injectable version, but it is less commonly used specifically for augmentation in bipolar disorder compared to olanzapine. Quetiapine, although used in