Need long-term use. If emphysema appears in this disease, it should have reached the level of chronic obstructive pulmonary disease and need hormone control. But don't worry, only some components of this medicine are hormones, and the side effects are very small. Once every morning and evening, but if the symptoms are well controlled, you can reduce the dosage as appropriate, for example, once a day, slowly reduce the dosage, and finally stop taking the medicine. The process of reducing medicine needs to follow the doctor's advice. Drinking tea can not be infected. After taking the medicine, pay attention to gargle deeply and rinse off the medicine left in the mouth and throat, otherwise fungal infection will easily occur in the mouth.