When was Ledum introduced into our literature ? By Hahnemann in his Materia Medica Pura, British Journal of Homoeopathy , Vol. IX. How is the tincture prepared ? The freshly dried plant is used for making the tincture. What are the general characteristics of Ledum ? Rheumatic inflammations of joints without fever ; the pains travel upward ; stiffness in the back, as after sitting a long time. Aggravation by the warmth of the bed and by motion. What of its use in gout ? Pain worse from the warmth of the bed ; drawing pains in joints ; scanty effusion, which tends to harden into nodosities. What are the effects of Ledum in wounds and ecchymoses ? Wounds made by pointed instruments ; bruised feeling in various parts of the body. Felons from pricks, bites of small animals, insects, etc.