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My daughter was diagnosed with MS in May, but has been unable to get on a treatment program. Because of the severity of the attack and the location of the lesions on her spine, three different MS doctors have recommended an aggressive treatment program of either Tysabri or Tecfidera. Because we coul...

I am a new member, but we need to decide in the next 24-48 hours whether Tysabri or Tecfidera is the preferred initial course of treatment for my daughter. After exhaustive research, we still have ambiguous and conflicting information on PML risk. Apparently, the risk of PML for someone who tests ne...