After dedicating five years to advocating for individuals with multiple sclerosis (MS), Christina Applegate recently disclosed that medical professionals now believe she received an incorrect diagnosis.
During a two-part episode of the podcast MeSsy, co-hosted by Applegate and Jamie-Lynn Sigler, who also has MS, Applegate shared her journey of learning about the misdiagnosis. Expressing a sense of starting over, she mentioned feeling lost rather than relieved upon discovering she did not have MS as initially diagnosed.
Applegate, emotionally recounting her experience, highlighted the ongoing challenges she faces despite the revised diagnosis. She spoke of her deteriorating condition, particularly in her legs, and the persistence of symptoms she continues to endure.
The autoimmune disease, multiple sclerosis, affects the central nervous system by causing the immune system to attack the myelin, a protective nerve coating. This disruption leads to various symptoms, including numbness, pain, memory problems, fatigue, and mobility issues, with different disease manifestations among patients.
Misdiagnosis remains a prevalent issue globally, with studies indicating misdiagnosis rates ranging from five to 41 percent. Applegate’s case sheds light on the complexities of accurate diagnosis and the impact misdiagnosis can have on individuals and their advocacy efforts.
Initially announcing her MS diagnosis in 2021, Applegate described the challenges she faced as symptoms progressed from numbness in her feet to widespread pain. Despite being diagnosed with MS after brain scans revealed abnormalities, her treatment journey took a turn when it was discovered she did not have the disease, leaving her without a definitive explanation for her symptoms.
Applegate, reflecting on the emotional toll of the misdiagnosis, expressed feelings of disappointment and confusion, especially considering her public role as an advocate for MS awareness. Her openness about the misdiagnosis underscores the need for improved diagnostic accuracy and support for individuals navigating complex health conditions.
The global impact of MS is substantial, with over 3.1 million individuals worldwide living with the disease. Canada has a high prevalence of MS, affecting around 90,000 Canadians, predominantly women. The challenges faced by those living with MS underscore the importance of accurate diagnosis and ongoing research to improve patient outcomes.
In the podcast, Sigler offered support and reassurance to Applegate, emphasizing the continued significance of her advocacy work regardless of the misdiagnosis. Looking ahead, both women acknowledged the complexities of Applegate’s health journey and the hope for better days ahead, symbolized by the possibility of Applegate dancing again.

