Christina Applegate disclosed this week that she does not have multiple sclerosis, contradicting the diagnosis she received and publicly shared more than five years ago. The actress made the announcement during her podcast, where she discussed the unexpected turn in her medical journey.
The 54-year-old actress explained that several years ago, her physician recommended discontinuing an infusion treatment to observe how her B cells would respond. When the cell count remained stable after stopping the medication, her medical team initiated a comprehensive review of her original diagnosis. The conclusion surprised everyone involved.
“She came into my room and said, ‘Congratulations, you don’t have MS,'” Applegate recounted. “I was, like, not happy at all. Everybody else was so happy.”
The actress’s reaction underscores a troubling reality in modern medicine. According to Dr. Marwa Kaisey, an associate professor at the Cedars-Sinai Medical Center department of neurology, nearly one in five patients diagnosed with multiple sclerosis do not actually have the condition. The neurologist explained that such misdiagnoses occur with notable frequency because no single definitive test exists for the disease.
Multiple sclerosis remains a complex condition in which the body’s immune system attacks the central nervous system. The National Multiple Sclerosis Society reports that symptoms vary considerably among patients, and medical science has yet to identify a known cause or predict the disease’s progression with certainty. At the time of her initial diagnosis, Applegate underwent standard diagnostic procedures, including a spinal tap and MRI scans that revealed lesions on her brain.
The corrected diagnosis brings little relief, however. Applegate emphasized that her debilitating symptoms persist and have, by her account, worsened over time. She continues to experience significant difficulties with daily activities and mobility.
“You don’t get misdiagnosed and then all of the sudden I’m better,” she stated plainly. “If anything, I’ve gotten worse. So I’m back at square one where I don’t know what’s going on with me.”
The actress detailed ongoing symptoms including numbness, balance difficulties, and tingling sensations in her limbs. In a 2022 interview, she revealed that she cannot walk without a cane. During production of the Netflix series “Dead To Me,” she required a wheelchair, and the show’s writers adjusted the script to accommodate her physical limitations. She has also indicated that her condition might eventually force her to abandon on-camera acting entirely.
Applegate currently undergoes physical therapy three times weekly as her medical team prepares to launch a new investigation into her condition. That inquiry, set to begin next week, will examine what has been affecting her health since 2021 and why her symptoms have manifested as they have.
The situation raises significant questions about diagnostic certainty in complex neurological conditions. For Applegate, who became an outspoken advocate for multiple sclerosis awareness following her initial diagnosis, the misdiagnosis carries additional weight. She expressed feeling as though she had let down the community she had worked to support.
The actress now faces the uncertainty of beginning again the search for answers about her health, even as her symptoms continue to affect her quality of life and career. Her experience serves as a sobering reminder of the challenges inherent in diagnosing diseases of the nervous system and the profound impact such determinations have on patients’ lives.
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