Just Be Careful I've had 4 infusions going for 5th. Pls do some research on it find out What this Drug Consists of you would Be amazed and Shocked.a friend of mine is a lab tech at hospital. It is a type of Poison infused into you that attaches and kills certain cell. Alot of side effects and things. Heart, lover, kidneys. They also during Infusion process with induce a medication Benadryl or something like that for reactions just in case that's why they do that or they'll give u benadryl tabs or something similar before. And they monitor you during Process. Good Luck. But they say it's the safest one Ocrevus.