For idiopathic pulmonary fibrosis, if the efficacy of taking pirfenidone is good and there is no adverse reaction, you should adhere to the medication, if the adverse reaction is obvious may have to adjust the program in time, the specific course of treatment is decided according to the condition. Pirfenidone is a commonly used clinical drug for the treatment of pulmonary fibrosis, and is also a potent drug for the treatment of the disease, with the effect of preventing and reversing fibrosis and scar formation. Pulmonary fibrosis can be caused by long-term inhalation of inorganic dust, leading to pneumoconiosis or hypersensitivity pneumonitis, which in turn leads to pulmonary fibrosis. The duration of this disease is long, and patients suffering from this disease will experience recurrent high fever, dyspnea, and coughing. For idiopathic pulmonary fibrosis, if the efficacy of taking pirfenidone is good and there is no adverse reaction, you should adhere to the medication, if the adverse reaction is obvious may need to adjust the program in time, the specific course of treatment is decided according to the condition. If there are other problems, it is recommended to consult a professional doctor for guidance.