White Oak Bark has astringent qualities to shrink body tissues, it is high in calcium and tannin.It is excellent for varicose veins, diarrhea, hemorrhaging, intestinal bleeding, and hemorrhoids. White Oak Bark expels pinworms, cleans the gastrointestinal tract, and also stops bleeding in the stomach, lungs, liver, and bowels.

Topically it cleans inflamed skin and mucous membranes. Use it as a douche or enema for soothing inflamed tissues.