The course of metronidazole treatment for intestinal inflammation is usually about 7 to 10 days, depending on the severity of the condition and sensitivity to the drug. Metronidazole is a kind of nitroimidazole antibiotic drug, has the role of anti-anaerobic bacteria, if the intestinal inflammation is caused by anaerobic bacterial infections, by taking metronidazole has a certain therapeutic effect, the general dose of about 7 to 10 days, the condition of the disease has obvious improvement. However, if the patient’s intestinal inflammation is more serious, the medication time may be longer. In addition, intestinal inflammation may also be caused by other bacteria, such as Escherichia coli, taking metronidazole is generally not good treatment, you can choose norfloxacin, levofloxacin and other antibiotic drugs. Bowel inflammation should be timely to the hospital, identify the cause of the targeted medication, patients should not self-medication.