Pain on the left side of the lower abdomen, if it is sudden and accompanied by nausea, vomiting, diarrhea and other gastrointestinal symptoms, and there is a history of eating unclean food before the onset, it may be caused by acute enteritis. If the pain lasts for a long time and has repeated attacks, accompanied by diarrhea, constipation, increased stool frequency and other clinical symptoms, it is necessary to consider whether there is chronic colitis, ulcerative colitis, Crohn's disease and other conditions. If the pain suddenly occurs with gross hematuria and occurs after strenuous exercise, it is necessary to consider whether there is a stone in the lower part of the left ureter. If accompanied by frequent urination, urgency, pain and fever, consider whether there is acute urinary system infection. For female patients, they are usually related to gynecological diseases, such as common fallopian tubes and ovaries, and more common diseases, such as torsion of ovarian cyst pedicle, rupture of corpus luteum, ectopic pregnancy, etc. Therefore, if there is pain in the left side of the lower abdomen, it is recommended to seek medical advice in time to determine the cause and treat it in time.
