Flatulence in the left lower abdomen and increase of exhaust gas by pressing pain may be caused by gastrointestinal dysfunction, descending colitis, sigmoid colon cancer and so on.
1. Gastrointestinal dysfunction: such as irregular diet, eating cold and irritating food, overeating, getting cold and eating gas-producing food can lead to gastrointestinal dysfunction, which can cause left lower abdominal distension and increased pressure and pain and gas discharge.
2. Descending colitis: refers to the inflammatory lesions occurring in the left half of the colon. It mainly manifests as left side abdominal pain, abdominal distension, accompanied by diarrhea, mucus stool and pus and blood stool, feeling of urgency and heaviness, increased anal excretion and other symptoms, and can also cause left lower abdominal distension and increased excretion by pressing pain.
3. Sigmoid colon cancer: it refers to malignant tumor occurring between descending colon and rectum. It mainly manifests as change of bowel habit and character, abdominal pain, abdominal distension, abdominal mass and other symptoms, which may be accompanied by anemia, low fever, increase of anal excretion and other symptoms, and may also cause increase of left lower abdominal distension and pressing pain and excretion.
There are many other causes of left lower abdominal distension and increased gas discharge on pressure pain, which should be taken seriously, timely consultation, identification of the cause of the disease, and follow the doctor’s instructions for further treatment or therapy.