Disclosed are methods for treating an autoimmune and/or complement mediated disease or condition in a subject. The methods include administering to the subject a compound which inhibits the subject's classical complement pathway. The methods include administering to the subject a compound which inhibits the subject's classical complement pathway. Compositions which include inhibitors of C1q, C1r, C1s, C2 or C4 and a pharmaceutically acceptable excipient are also described.