Lauren’s been taking Tysabri for almost nine years and has been advised to switch to Ocrelizumab because she is JCV positive (John Cunningham’s virus) and at risk of contracting progressive multifocal leukoencephalopathy (PML)–a rare brain disease. Lauren is uncertain of her future with the new treatment and understandably scared about transitioning from one medication to another.
Multiple Sclerosis News Today is strictly a news and information website about the disease. It does not provide medical advice, diagnosis or treatment. This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.
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