Pain in lower abdomen. Bloating.

Female patient with 1 year history of intermittent abdominal pain.  Cervictis was diagnosed Initially had lower abdominal pain and was treated for cervicitis with multiple antibiotics and antifungals, with temporary relief. Pain later recurred and became diffuse involving the whole abdomen. Currently she has persistent mild dull abdominal pain throughout the day, associated with abdominal bloating and early satiety (feels full after eating small amounts). Pain is not localized, sometimes felt in lower abdomen, and mild tenderness is present on abdominal pressure. No fever, no vomiting, no burning urination, no foul vaginal discharge, no black stools or blood in stools, and no significant weight loss. Investigations: Ultrasound whole abdomen and lower abdomen are normal. Urine routine is normal. She is not on antibiotics currently. Treatment tried: Pantocid 80 mg earlier with no relief and worsening bloating.