OCRELIZUMAB treats
multiple sclerosis (
MS). It works by slowing down an overactive immune system, which prevents or delays worsening symptoms. It also decreases the number of flare-ups. It is not a cure for MS. It belongs to a group of medications called
monoclonal antibodies. With the Patient Assistance Program from Genetech, go to the program website and follow the instructions on the page based on your medication.