The review discusses ketamine as an emerging treatment option for post-traumatic stress disorder (PTSD), particularly for patients who do not respond to traditional therapies like antidepressants and cognitive-behavioral therapy. Although ketamine has been studied primarily for depression, its potential to rapidly reduce PTSD symptoms is being explored due to its unique effects on brain pathways related to stress and trauma. The article reviews existing literature on ketamine's mechanism and its use in both animal and human studies for PTSD treatment. 

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The article investigates the effectiveness of intravenous racemic ketamine in treating treatment-resistant depression, suicidal ideation, and generalized anxiety symptoms. Findings indicate that ketamine significantly reduces depressive symptoms and suicidal thoughts shortly after administration. Additionally, the treatment shows promise for alleviating anxiety symptoms. However, the study emphasizes the need for further research on long-term effects and optimal dosing strategies to enhance patient outcomes.

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The article discusses the potential of ketamine as a treatment for various mood disorders, particularly its rapid antidepressant effects in patients with treatment-resistant depression. It emphasizes ketamine's unique mechanism of action, which differs from traditional antidepressants, as well as its impact on neuroplasticity. The review also highlights clinical findings regarding ketamine's effectiveness, dosing, and safety profile, while calling for further research to establish long-term outcomes and guidelines for its use in psychiatric care.

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