Thrombocytopenia diarrhea after taking medication may be caused by inflammatory infections in the body, gastric diseases, malignant tumors, and so on, or it may be caused by the side effects of drugs. 1. Inflammatory infections: when there is an acute inflammatory infection in the body, there may be thrombocytopenia, after taking medication (levofloxacin tablets), if the inflammatory infection does not improve, the patient will have abdominal pain, diarrhea, and other symptoms of digestive tract infections. 2. Stomach diseases: it is also possible that the patient himself suffers from chronic atrophic gastritis and other diseases, so that the reduction of gastric acid and diarrhea caused by thrombocytopenia is not related to the medication. 3. Malignant tumors: or the patient himself suffers from pancreatic cancer, gastric cancer and other malignant tumors, thus causing diarrhea symptoms. 4. Drug side effects: it is not excluded that the drugs taken by patients such as levofloxacin tablets will cause diarrhea adverse reactions, it is recommended to read the instructions carefully, consult the doctor in time, and deal with it accordingly. If the symptoms are serious, it is necessary to change the drug treatment in time. It is recommended that patients must use the drug under the guidance of the doctor, if the diarrhea symptoms persist, it is necessary to carry out the appropriate examination in a timely manner to clarify the cause of treatment.