Pokeroot is a cure for skin ulcers and gastric ones. Goldenseal, a natural antibiotic, heals skin ulcers. Chamomile is calming and soothes stomach problems, as does Slippery Elm(soothes stomach lining). Meadowsweet reduces acid in the stomach. Fennel will aid the indigestion process. American Ginseng is wonderful for ulcers, among other things.