What causes dull pain in the lower right abdomen?

In daily life, many people experience pain in the right side of the abdomen, and a significant number report pain specifically in the lower right quadrant. Pain in the lower right abdomen is a very common symptom affecting both men and women. So, what causes dull or vague pain in the lower right abdomen? Below, we address this question.

What Causes Dull Pain in the Lower Right Abdomen?

1. Liver and Biliary Tract Disorders

The liver and biliary tract are located in the upper right abdomen—not the lower right—but pathological changes in these organs can sometimes refer pain to the lower right quadrant. Because the liver has relatively sparse innervation by pain-sensitive nerves, the onset of noticeable pain often indicates substantial hepatic damage. Therefore, lower right abdominal pain should never be ignored or tolerated, and prompt medical evaluation is essential.

2. Gynecological Conditions

Gynecological disorders are extremely common among women and frequently manifest as lower right abdominal pain. However, some conditions—such as oophoritis (ovarian inflammation) or endometriosis—may cause only mild discomfort and thus go unnoticed. These disorders are often accompanied by abnormal vaginal discharge. Hence, women experiencing both abnormal vaginal discharge and lower right abdominal pain should seek timely medical evaluation to rule out gynecological pathology.

3. Urinary Tract Disorders

Common urogenital disorders in men—including urethritis, cystitis, and prostatitis—can also present with lower right abdominal pain. Men should take such symptoms seriously, as they may not only compromise general health but also adversely affect sexual function. Thus, prompt medical consultation is advised to identify the underlying cause and initiate appropriate treatment.

4. Appendicitis

Appendicitis is a potentially serious gastrointestinal condition. Initially, pain may arise in the upper right or periumbilical region before migrating to the lower right abdomen. Early-stage pain is often mild but may be accompanied by nausea, vomiting, and generalized fatigue. Without timely intervention, appendicitis can progress to perforation—a life-threatening complication. Therefore, lower right abdominal pain associated with nausea, vomiting, or other systemic symptoms warrants immediate suspicion of appendicitis.

The above outlines potential causes of dull pain in the lower right abdomen. We hope this information is helpful to you.