•Given once a month
•Available as ready-to-inject prefilled pens and syringes after the first three infusions
•Can inject maintenance doses at home with proper training
•Can improve symptoms when other treatments haven't worked well
•Injection only
•Must get the first few doses as IV infusions from a healthcare professional
•Can cause injection site reactions like redness, pain, and itchiness
•Can raise your risk of getting sick more easily