When the Diagnosis is Wrong: Colorado Doctors Discuss MS Misdiagnosis Dangers

10/18/2026 | dr Catherine Sp. N
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    MS misdiagnoses raise concerns, Colorado doctors warn of unnecessary treatment risks - CBS Colorado
    When the Diagnosis is Wrong: Colorado Doctors Discuss MS Misdiagnosis Dangers

    NATURAL HOLISTIC MEDICINE BLOG - A recent public discussion initiated by actress Christina Applegate, who shared that she does not have multiple sclerosis, has amplified concerns about the prevalence of medical misdiagnoses. In Colorado, a state with one of the nation's higher rates of multiple sclerosis (MS), physicians are voicing unease about the complexities involved in accurately identifying the disease. Specialists are emphasizing that a misdiagnosis can lead to unnecessary and potentially harmful treatments, underscoring the critical need for diagnostic certainty.

    Marissa Poppens, a Colorado resident who has lived with a diagnosis of MS for over a decade, vividly illustrates the profound impact of such a condition.

    Her life took a dramatic turn in April 2015, at the age of 30, when she experienced paralysis from the waist down.

    "From the moment I wake up, I never know if it's going to be a good day or a bad day," Poppens shared, reflecting on the daily unpredictability that MS entails.

    The Diagnostic Challenge of Multiple Sclerosis

    The journey to an accurate MS diagnosis is far from straightforward.

    Unlike some conditions that can be confirmed with a single laboratory test, identifying MS requires a comprehensive evaluation.

    Specialists must meticulously consider a patient's reported symptoms, their detailed medical history, the results of thorough neurological examinations, and critically, findings from advanced imaging techniques such as MRI scans.

    In Poppens' case, an MRI revealed numerous lesions on her brain and spine, which were identified as the cause of her mobility issues.

    Dr.

    Anna Shah, a neurologist at UCHealth University of Colorado Hospital, explained the inherent difficulties.

    "It's not as simple as something like a diagnosis of diabetes, where you do a singular blood test and then you get your answer of whether you have it or not," Dr.

    Shah stated.

    Symptoms commonly associated with MS, including persistent fatigue, numbness, and vision disturbances, can frequently overlap with those of numerous other medical conditions.

    This symptomatic overlap can significantly complicate the diagnostic process, making it essential for clinicians to rule out other possibilities carefully.

    Unnecessary Treatment Risks Highlighted by Experts

    The Diagnostic Challenge of Multiple Sclerosis

    The ramifications of an incorrect MS diagnosis can be severe, according to medical professionals.

    Dr.

    Shah estimates that, in her practice, approximately 10% to 15% of new patients she sees may have been misdiagnosed previously.

    The most significant danger arises when patients who do not have MS are subjected to treatments designed to manage the disease.

    Many MS medications work by altering or suppressing the immune system to mitigate its attacks on the central nervous system.

    However, for individuals without MS, these potent immunomodulatory drugs can expose them to heightened risks of infections and other serious complications.

    "In MS, the issue is the immune system is doing all the wrong things, and so most of our medications are primarily focusing on changing how the immune system functions," Dr.

    Shah elaborated.

    "So when we think about it in that context, it can be really quite dangerous if that's not the diagnosis you have." This underscores the critical importance of diagnostic accuracy before initiating treatments that carry substantial side effects and implications.

    Navigating the Path to Confirmation

    For individuals like Marissa Poppens, who has managed her MS symptoms for over a decade, the experience highlights the imperative of obtaining a definitive diagnosis before embarking on long-term therapeutic regimens.

    Her own journey was further complicated by insurance issues that left her without treatment for a year, impacting her employment and independence.

    "I was scared at first, and then concerned," she recalled.

    "Like, what is my future going to hold?

    How am I going to navigate life now that I have this diagnosis?"

    To mitigate the risks associated with diagnostic uncertainty, specialists strongly recommend seeking a second opinion, particularly from a neurologist with a specialization in multiple sclerosis.

    This is especially crucial before commencing treatments that profoundly affect the immune system.

    The goal is not only to secure the most appropriate treatment but also to provide patients with a clearer understanding of their future and how to best manage their health moving forward, especially with a condition as unpredictable as MS.

    The Rocky Mountain MS Center at the University of Colorado is actively engaged in research aimed at deepening the understanding of MS and enhancing diagnostic precision.

    Their work contributes to the ongoing efforts to ensure that patients receive the correct diagnosis, thereby avoiding the pitfalls of unnecessary medical interventions and accessing the most effective care pathways.

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