When eating the fresh root an unusual tingling, numbing sensation occurs in the mouth and increases saliva flow. This anesthetic-like effect is also present in the seeds when sprouted. It is a good indicator as to how fresh the Echinacea preparation is. Echinacea also contains an essential oil which has been tested in the treatment of tumors. One case history involves a strong reaction to mosquito and black-fly bites.
Symptoms are abnormal skin swellings and swollen lymph nodes.
Echinacea taken internally reduced the swellings. Ingestion of Echinacea over a period of time, along with dietary changes, improved the vitality of the immune system. Energy level increased along with an improved resistance to minor colds and flu. The Native Indians used Echinacea for snake bites. They were aware of Echinacea's blood cleansing properties and also used the plant for cancers and infections.