Oxydendrum arboreum - Sour wood, Sorrel tree, Elk tree
"CONSTITUENTS: -
PREPARATIONS: Pills are made of the solid extract containing from three to six grains. Specific oxydendron, dose from one to twenty minims. The Wm. S. Merrell Co. make a normal tincture of which from one to ten minims may be given in water.
Therapy: This agent has been used in dropsy in a few cases with marked results. It is not only used in anasarca and ascites, but also in pleuritic effusion, hydropericardium and hydrocele. It improves the general condition on which the dropsy depends, increasing the action of the heart and arterial tension...."
(Finley Ellingwood: The American Materia Medica, Therapeutics and Pharmacognosy, 1915)