Disperses wind and damp, resolves spleen damp, regulates stomach, resolves phlegm. Primarily for digestive distubances due to wind invasion of stomach channel (stomach flu). Also useful for food poisoning, as well as a variety of digestive disorders due to deficiency of spleen and stomach qi, or stagnation of stomach qi. Symptoms include sudden and violent cramping, headhache, vomiting, abdominal bloating with pain, and difficulty in passing stools, or diarrhea. Useful for general nausea, motion sickness, or morning sickness.