Echinacea Forte by Dr. Theiss is a herbal medicinal product that is used for the prevention and treatment of recurrent infections of the upper respiratory tract. The contents also include an applicator, a dropper and a white screw cap, which are placed in a cardboard box with a patient leaflet. Contains 23% alcohol by volume. Available in a 50 ml package.

Echinacea products have an immunobiological effect, which includes an increase in the number of white blood cells in the cells of the spleen and stimulation of phagocytosis of human granulocytes. The active ingredients are polyins, ascorbic acid and isobutylamides. Caffeic acid, its various ethers, chicory acid, as well as polysaccharides and tannins have also been isolated.