You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is DOC for acute attack of Hereditary angioneurotic edema and explain in detail?
Medication C1 inhibitor concentrate (Plasma-derived) (Berine, Berine P, Cinryze. Recombinant C1 inhibitor Conestat alfa (Ruconest, Rhucin). Bradykinin Bzreceptor antagonist Icatibant (Firazyr). Kallikrein inhibitor Ecallantide (Kalbitor) REF : katzung pharmacology : 14th ed