After the abortion if the old diarrhea, may be caused by the following two reasons: First, after the abortion because to take some drugs, such as to promote uterine contraction of some of the Chinese medicine, and there is to take some anti-inflammatory drugs to prevent infection. Then there may be one of these two drugs will have side effects, and lead to gastrointestinal symptoms, diarrhea symptoms. In the clinic often stop this kind of diarrhea phenomenon will soon be improved; the second, because after the abortion did not pay attention to dietary hygiene, and lead to the emergence of intestinal inflammation diarrhea, often accompanied by lower abdominal pain, it is recommended to go to the hospital in time to give the examination and give the appropriate treatment, so that the symptoms of diarrhea to be improved.