If the total white blood cell count and neutrophil fraction are elevated, and the blood sedimentation is accelerated, the C-reactive protein is elevated, and the calcitoninogen is elevated, it means that the inflammation is more serious, and it is accompanied by low fever or lymph node enlargement. If you have nausea, vomiting, abdominal pain, diarrhea, etc., you need to stop using this drug and replace it with levofloxacin hydrochloride injection for treatment.