Bai Jiang Cao (White Flower Patrinia). Its scientific name is Herba cum Radice Patriniae. It relieves toxicity, promotes purulent discharge, invigorates the blood and reduces abscess. Bai Jiang Cao is the primary herb for intestinal abscess. As per TCM definition it is acrid, bitter in flavour and cold in nature and covers meridians of stomach, liver, and large intestine. Clinical applications include intestinal or lung abscesses and various swellings, sores, lesions and pain. It is particularly effective with abdominal pain after delivery and dysmenorrhea.