Christina Applegate Reveals MS Misdiagnosis: “Back at Square One”

Actress Christina Applegate has revealed that her 2021 diagnosis of multiple sclerosis (MS) was a misdiagnosis. The announcement, made on her podcast “MeSsy,” leaves Applegate “back at square one” as she grapples with debilitating symptoms that have continued to worsen despite the initial diagnosis. This development highlights the complexities of diagnosing neurological conditions.

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Christina Applegate Reveals MS Misdiagnosis, Battles Unidentified Illness

Actress Christina Applegate disclosed on October 20, 2026, that her previous diagnosis of multiple sclerosis (MS) was incorrect. The revelation came during an episode of her podcast, “MeSsy,” co-hosted with Jamie-Lynn Sigler. Applegate, who initially shared her MS diagnosis in August 2021, now faces an ongoing struggle with a mystery illness that mimics MS symptoms, leaving her feeling “back at square one.”

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Christina Applegate Reveals MS Misdiagnosis, A New Health Journey Begins

Actress Christina Applegate, known for her candidness regarding her health struggles, recently shared a significant update. On Tuesday, October 20, 2026, Applegate revealed that her long-standing diagnosis of multiple sclerosis (MS) was, in fact, a misdiagnosis. The announcement, made on her podcast “MeSsy,” marks a pivotal turn in her health journey, leaving her with persistent symptoms but without a clear medical explanation.

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