A Sydney woman spent nine years believing she had multiple sclerosis (MS), enduring years of medical appointments, treatment and uncertainty about her future, before discovering that her most debilitating symptom had a very different explanation.
The woman, identified as Nicole to protect her privacy, shared her experience with The Sydney Morning Herald following the recent revelation that actress Christina Applegate had also been misdiagnosed with MS.
Nicole, now 63, had experienced severe dizziness and weakness in her limbs. Brain scans revealed areas of demyelination, changes affecting the protective coating around nerve fibres that can be associated with MS.
Several neurologists diagnosed her with multiple sclerosis, beginning a nine-year period of medical investigations, treatment and emotional distress.
Living alone, Nicole feared what the future might hold, particularly the possibility of losing her independence or eventually needing a wheelchair.
An Unexpected Discovery
In 2023, Nicole underwent ear surgery to address hearing loss. During her treatment, an ear, nose and throat specialist suggested that her severe dizziness might be caused by a problem involving tiny crystals in her inner ear.
These crystals help the body maintain its sense of balance. When displaced, they can cause a condition known as benign paroxysmal positional vertigo (BPPV), which produces episodes of dizziness and spinning sensations.
Following further investigations by a new neurologist and successful treatment for vertigo, Nicole was told she did not have MS.
The changes previously identified on her brain scans were considered benign, and her dizziness had resolved.
After almost a decade of believing she had a lifelong neurological condition, Nicole finally had a different explanation for her symptoms.
Why Is MS Sometimes Difficult to Diagnose?
Multiple sclerosis is a complex neurological condition affecting the central nervous system. Symptoms vary widely and may include fatigue, weakness, dizziness, numbness, vision problems and difficulties with balance or mobility.
There is no single test that conclusively diagnoses MS.
Neurologists rely on a combination of medical history, neurological examinations, MRI scans and sometimes spinal fluid testing to establish a diagnosis.
Professor Todd Hardy, a neurologist at the University of Sydney, explained to The Sydney Morning Herald that abnormalities visible on MRI scans can sometimes resemble MS but have other causes, including migraine, ageing or small-vessel disease.
The challenge is not limited to people who are incorrectly diagnosed with MS. Some people who do have the condition experience significant delays before receiving the correct diagnosis.
The Emotional Cost of a Misdiagnosis
An MS diagnosis can change how someone imagines their future.
For Nicole, the years following her diagnosis involved fear, grief and concerns about becoming dependent on others.
Although discovering that she did not have MS brought relief, she also reflected on the years she had spent dealing with symptoms that might have been treated much earlier.
Her experience contrasts with that of Christina Applegate, who has described feeling distressed and confused after learning that her own MS diagnosis was incorrect.
Unlike Nicole, Applegate continues to experience debilitating symptoms, and her doctors are still investigating their cause.
Both experiences demonstrate how deeply a diagnosis can affect a person’s emotional wellbeing, relationships and sense of security.
The Importance of Getting the Diagnosis Right
Medical experts emphasise that the vast majority of people diagnosed with MS by experienced clinicians following a thorough assessment should have confidence in their diagnosis.
However, anyone who has concerns about their symptoms, test results or response to treatment should feel comfortable discussing those concerns with their neurologist.
Seeking clarification or a second opinion can be an important part of understanding a complex medical condition.
Nicole’s story is a reminder that diagnostic accuracy matters, not only for receiving appropriate treatment but also for protecting a person’s quality of life and emotional wellbeing.
It also highlights the importance of listening carefully to patients, particularly when symptoms persist or do not respond as expected.
For people living with MS, those awaiting a diagnosis and those experiencing unexplained neurological symptoms, compassionate medical care and clear communication remain essential.
Further reading: Like Christina Applegate, Nicole spent years thinking she had MS. But doctors got it wrong, The Sydney Morning Herald
