Echinaceae pallidae radix, echinacea pallida root.  

Echinacea pallida root, consisting of fresh or dried root of Echinacea pallida (Nutt.) Nutt.  [Fam.  Asteraceae], as well as its preparations in effective dosage.  

Animal experiment: In a carbon clearance test, alcohol root extracts show an increase in the elimination of carbon particles by a factor of 2.2.   In vitro: Alcohol root extracts show an increase in phagocytic elements by 23 percent when tested in granulocyte smears at a concentration of 10-4- 10-2mg/ml.   Clinical Data

Supportive therapy for influenza-like infections.  

Not to be used when progressive systemic diseases such as the following exist:

Tuberculosis, leukosis, collagenosis, multiple sclerosis, AIDS, HIV infection, and other autoimmune diseases.  

None known.  

Unless otherwise indicated:

Daily dosage:

• Tincture (1:5) with 50 percent (v/v) ethanol from native dry extract (50 percent ethanol, 7 - 11:1), corresponding to 900 mg herb.  

Information for children's dosage is not available.  

None known.

None known.  

None known.

Liquid forms for oral administration.  

Not longer than 8 weeks.