How is the left lower horn of abdomen aching to return a responsibility

Left lower abdominal pain can be seen in 1. enteritis, abdominal distension, diarrhea, nausea and other symptoms, pain is not severe, pain after defecation can be relieved, light diet, oral probiotics, diarrhea more than three times, plus Smecta;2. cystitis, frequent micturition, urgency, severe accompanied by hematuria, drink more water, oral quinolone antibiotics treatment;3. pelvic inflammatory disease, accompanied by lumbago, gynecological advice, uterine accessories color Doppler ultrasound.