Echinacea helps with minor colds and flu. Treatment should start at the first signs of a cold and continue for five to seven days. Taken in capsules, tablets, or liquid extract. The most common labels youn might see are E. purpurea and E angustifolia. Standardized extracts generally provide 900 mg daily, powdered herb/root taken as 1,000 to 2,000 mg four times a day; tincture u:5 concentrational); 4 to 5 ml four times daily. allergic reactions have been reported, especially in those who are allergic to the daisy family or who have allergy-related asthma.
