The complex relationship between Bipolar Disorder (BD) and Attention Deficit Hyperactivity Disorder (ADHD) has been subject to debate and controversy in the past decades, and it remains a theme of interest in psychiatric literature to this day. Regarding epidemiology and clinical trajectory, while ADHD manifests as a neurodevelopmental disorder commonly observed in children with a chronic heterotypic trajectory, BD presents with an episodic symptomatology and is comparatively rare in the same demographic. Despite their distinct clinical profiles, both disorders exhibit symptomatic overlap, necessitating a meticulous approach to clinical presentation for accurate differential diagnosis. Comorbidity rates between BD and ADHD are notably elevated, warranting comprehensive treatment strategies. In addressing comorbidities, the primary therapeutic goal is mood stabilization, with subsequent consideration for tailored interventions targeting ADHD symptoms, which are generally considered safe. Given the heightened vulnerability of individuals with ADHD to developing BD, coupled with the observation that BD prodromes frequently feature subsyndromal manifestations of ADHD, it is plausible to conceptualize ADHD as a possible manifestation of latent BD.