Causes of Dull Pain in the Lower Left Abdomen

Pain in the lower left abdomen may be associated with various conditions, including acute gastroenteritis, urological disorders, genital inflammation, or tumor-related pain. A small proportion of cases may also involve neuropathic causes leading to dull, persistent left lower abdominal pain. The etiologies of chronic left-sided abdominal discomfort are diverse. For instance, acute gastroenteritis typically presents not only with pain localized to the lower left abdomen but also with fever, diarrhea, vomiting, and generalized fatigue; severe cases may even lead to dehydration.

If the pain correlates with urination, it may originate from the urinary system—such as renal or ureteral calculi. In addition to lower left abdominal pain, patients may experience hematuria and flank pain. Chronic genital inflammatory conditions can likewise manifest as persistent lower left abdominal discomfort. If a patient experiences prolonged lower abdominal pain that worsens after sexual intercourse or menstruation—and is accompanied by increased vaginal discharge—the likely diagnosis is chronic endometritis.

When symptoms intensify during periods of physical exertion or around menstruation, and are associated with menstrual irregularities and persistent fatigue, pelvic inflammatory disease (PID) is highly probable. In patients with malignant tumors, intractable and severe pain often develops in advanced stages. Alongside dull, persistent left lower abdominal pain, patients may report low back pain and radiation of pain into the lower limbs. Given the potential seriousness of prolonged abdominal pain, prompt medical evaluation is strongly recommended to avoid diagnostic delay and ensure timely management.