Diarrhea does not improve after taking drugs need to analyze the cause of the patient’s diarrhea, at the same time for the adjustment of drugs. Want to clarify the cause of diarrhea can be carried out on the patient stool, blood routine examination, through the examination can be clear whether the patient’s body infection or inflammation. If the diarrhea is caused by infection, antibiotics should be used instead, and most of the diarrhea symptoms can be relieved after the bacteria are removed. If the diarrhea is caused by indigestion, the use of antibiotic medication will not improve the symptoms of diarrhea, and may even lead to worsening of the symptoms of diarrhea, you can use Trimethoprim, Alverine and other drugs to relieve spasms and improve diarrhea. After the occurrence of diarrhea must avoid indiscriminate use of drugs, otherwise the condition will not be effectively improved, should be clear in the actual cause of diarrhea after the selection of appropriate drugs for treatment.