Mistaken for Bipolar: How Substance-Induced Mood Cycling Fools Clinicians and Derails Treatment for Years
Active or recent substance use can produce mood swings, grandiosity, and depressive crashes that are clinically indistinguishable from bipolar disorder—leading to years of unnecessary mood stabilizer therapy. Understanding the neurobiological overlap between substance-induced mood dysregulation and true bipolar disorder is essential for clinicians navigating dual diagnosis care. The stakes are high: a misdiagnosis in either direction can destabilize a patient's entire treatment trajectory.