The short version
- Researchers estimate up to one in five patients with severe recurrent depression may actually have bipolar disorder.
- Treating bipolar patients with standard antidepressants can worsen symptoms, making accurate screening critical for patient safety.
- The Royal College of Psychiatrists supports updating guidelines to include questions about mania and family history.
Mental health experts are calling for an urgent overhaul of diagnostic screening procedures to address the widespread misidentification of bipolar disorder as depression. This shift in clinical guidance comes amid growing evidence that a significant portion of patients labeled with major depressive disorder may actually be suffering from bipolar conditions, leading to years of inappropriate treatment and deteriorating mental health.
The urgency of this issue is illustrated by the experiences of individuals like Kimberley Atkinson, who spent fourteen years under a depression diagnosis before receiving the correct assessment. For over a decade, she managed symptoms that included severe emotional instability and periods of deep despair, believing these were inherent to her depressive condition. It was only when her behavior shifted dramatically—characterized by erratic thinking, delusions, and rapid speech—that medical professionals intervened.
Atkinson’s case escalated while she was pursuing doctoral studies at the University of Edinburgh. A manic episode led her to drive to London based on a delusional belief that she could rescue someone in distress, alongside convictions that her mood influenced weather patterns. These behaviors prompted involuntary admission to a psychiatric ward, where clinicians finally identified bipolar disorder. Her experience underscores how untreated mania can lead to severe breaks from reality and dangerous decision-making.
Research suggests the scale of this diagnostic gap is substantial. Studies indicate that as many as one in five individuals diagnosed with severe or recurrent depression may actually have bipolar disorder. This misalignment is not merely a matter of labeling; it has direct clinical consequences. Standard antidepressant medications, which are commonly prescribed for depression, can exacerbate symptoms in patients with bipolar disorder, potentially triggering more intense manic episodes or rapid cycling between mood states.
Professor Danny Smith, chair of psychiatry at the University of Edinburgh, emphasizes that current screening methods are insufficient. He advocates for health professionals to routinely inquire about symptoms associated with mania and to assess family history of the condition. This recommendation is supported by the Royal College of Psychiatrists and the charity Bipolar UK, who argue that improved screening protocols could be life-saving by preventing the administration of contraindicated treatments.
The diagnostic challenge varies depending on the type of bipolar disorder. Atkinson was diagnosed with bipolar I, which involves full manic episodes that can cause a loss of contact with reality. In contrast, Jacqui Armstrong, a 64-year-old former teacher, spent more than thirty years being treated for depression before receiving a diagnosis of bipolar II. This subtype is characterized by hypomania—periods of elevated energy and mood that are less severe than full mania—and frequent depressive episodes.
Armstrong’s journey highlights the difficulty in identifying bipolar II. She experienced decades of hospitalizations, including electroconvulsive therapy, and even attempted suicide, all while believing she was failing to recover from depression. Her hypomanic phases involved sudden surges of confidence, sociability, and productivity, which she later recognized as precursors to breakdowns. It was only during a final hospital admission that a psychiatrist specifically asked about these high-energy periods, leading to the correct diagnosis.
Experts note that bipolar II is particularly elusive because the manic symptoms are often less obvious and do not always result in hospitalization or psychosis. Patients may view their hypomanic phases as productive or positive, failing to report them as problematic. This lack of recognition allows the condition to persist undiagnosed for decades, during which time patients endure unnecessary suffering and ineffective medical interventions.
Bipolar disorder, formerly known as manic depression, involves extreme mood swings that include emotional highs (mania or hypomania) and lows (depression). While the exact causes remain unclear, physical changes in the brain and genetic factors play significant roles. Effective treatment typically involves mood-stabilizing medications such as lithium and psychotherapy, which can help patients achieve long-term stability.
For those who receive the correct diagnosis, the impact can be transformative. Atkinson reported that her life had been chaotic prior to her bipolar diagnosis but has since become stable due to appropriate medication. The push for updated screening guidelines aims to reduce the average time to diagnosis, ensuring that patients like Armstrong and Atkinson do not spend decades navigating a healthcare system that fails to recognize their specific condition.
Sources behind this briefing
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- BBC News↗I was told I had depression for 14 years until I got sectioned - it was bipolar
