Appendicitis does not cause constipation in patients. The typical symptom of appendicitis is that the patient will experience metastatic right lower abdominal pain, the degree of which is related to the severity of the patient’s disease and the different parts of the appendicitis. The patient may also experience some gastrointestinal symptoms, such as nausea, vomiting, anorexia, but the gastrointestinal symptoms are usually mild, and some patients may also experience diarrhea. If the patient has appendicitis in the pelvic area, the inflammation irritates the rectum and bladder, causing the patient to experience bowel movements and urgency. If the patient has perforated appendicitis, causing diffuse peritonitis, it can lead to symptoms of paralytic intestinal obstruction, such as abdominal distension and decreased defecation. Clinically, some patients will also have systemic symptoms in the early stage, such as fatigue, rapid heart rate, fever; even some patients with appendicitis will also be complicated by portal phlebitis, and the patient will have chills, high fever and mild jaundice.