Echinacea (Echinacea purpurea) is best known as herbal immune support remedy to treat common cold or flu. It is also used to ease pain, inflammation, migraines. In traditional medicine echinacea is used to reduce feeling of anxiety, lower blood sugar level, treat inflammation and promote overall skin health. Positive effects are found in using echinacea to help treat swelling, nausea, shortness of breath, stomach pain, hives itchy skin.