Ecallantide is used to treat attacks of hereditary angioedema (an immune system disorder). This medication is used in people who are at least 16 years old. Ecallantide is not a cure for hereditary angioedema. Ecallantide may also be used for other purposes not listed in this medication guide.
Kalbitor is used in treating hereditary angioedema (an immune system disorder) attacks. The medication is used in people who are 16 years and older. The drug is not cure for hereditary angioedema. Kalbitor prevents the activity of plasma kallikrein, a protein in the body. In patients with hereditary angioedema (HAE), plasma kallikrein activity is not properly controlled.