A poultice of the root has been used in the treatment of pain, fevers and diarrhea. The ooze of the roots has been sniffed in the treatment of catarrh. A decoction of the whole plant has been used in the treatment of all kinds of fevers and in the treatment of weak skin. Aster novae-angliae is deployed in decoction internally, with a strong decoction externally, in many eruptive diseases of the skin; it removes also the poisonous state of the skin caused by Rhus or Shumach.