Write a paraphrased version of the following paragraph:
If an anaphylactic reaction or other serious hypersensitivity reaction occurs, administration of RoActemra should be stopped immediately, appropriate therapy initiated and tocilizumab should be permanently discontinued.
RoActemra must be discontinued immediately and proper treatment is initiated and tocilizumab treatment must be discontinued if anaphylaxid reaction or other severe hypersensuitive reaction develop occurred.