A Child Who Has Juvenile Idiopathic Arthritis and Who Has

A child who has juvenile idiopathic arthritis and who has been taking methotrexate [Rheumatrex] will begin a course of abatacept [Orencia]. What will the nurse include when teaching the child's family about this drug?

A) That abatacept and methotrexate must both be taken to be effective
B) To continue getting vaccinations during therapy with abatacept
C) That signs of infection may warrant immediate discontinuation of abatacept
D) That a tumor necrosis factor (TNF) antagonist may be added if this therapy is not effective