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This work examines the relationship between depression, sexual dysfunction, and antidepressant medications, exploring how these factors interact clinically. It addresses both the depressive condition itself and medication-related adverse effects on sexual function.
A clinical case report documents two patients with treatment-resistant depression who initially responded to intranasal esketamine but subsequently experienced rapid deterioration in depressive symptoms and increased suicidal ideation, which improved upon discontinuation. The authors use validated psychiatric rating scales to assess outcomes and acknowledge that the mechanism underlying these paradoxical adverse reactions remains unclear.
This review examines cariprazine, a D2/D3 partial agonist atypical antipsychotic, as a potential adjunctive treatment for major depressive disorder patients with inadequate response to standard antidepressants. Preliminary evidence suggests cariprazine may improve motivation, anhedonia, and cognitive symptoms, though its effects on anxiety, agitation, and psychomotor symptoms remain uncertain.
A retrospective analysis of 15 years of electronic health records from 13,607 patients with major depressive disorder found that 11.8% later converted to bipolar disorder. Using Cox regression modeling, researchers identified key predictive factors including severity of initial depression, psychosis, hospitalization, family history of bipolar disorder, female gender, and suicidality derived from clinical notes.
Anhedonia, the inability to experience pleasure, is a challenging symptom in major depressive disorder and schizophrenia involving dopaminergic system dysfunction. Treatment approaches include combination pharmacotherapy (glutamatergic agents, KOR antagonists, KCNQ activators), neurostimulation, and psychotherapy, with accurate component identification and reward system understanding being key to selecting effective interventions.