I am JCV+. I used tysabri 73 times. I switched to tecfidera, used it for 4 months.
My neuro had me stop taking it. I had 1 flare and developed psoriasis while on tecfidera.
I want to get back on tysabri. I did the index blood test and I am a .46.
Does anyone know what this means? I want to know what my risk of PML is.
I have used Avonex, Rebif, Tysabri, and ...
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