What is the pain in the lower right side of the abdomen?

Pain in the right lower side of the abdomen may be caused by trauma, gastrointestinal dysfunction, acute appendicitis, colon cancer, pelvic inflammatory disease, ureteral stone and so on.
1. Trauma: the right lower abdomen is squeezed, hit, contusion, burn and other traumatic injuries, resulting in skin, subcutaneous tissue and even pelvic and abdominal organs damage and pain in the right lower side of the abdomen.
2. Gastrointestinal dysfunction: Eating cold, spicy stimulating food, eating unclean food, cold and cold abdomen and other factors lead to gastrointestinal smooth muscle contraction and diastolic disorders, which will be the right side of the lower abdominal pain.
3. Acute appendicitis: acute exudation and bleeding inflammatory lesion after appendix infection, manifested as metastatic right lower abdominal pain, usually in the middle and outer 1/3 of the line between right anterior superior iliac spine and umbilicus.
4. Colon cancer: when the cancer cells involve the right lower colon, the intestinal lumen will be narrowed, bleeding, ulcerated and other lesions, which will cause right lower abdominal pain.
5. Pelvic inflammatory disease: after pelvic tissues are infected by bacteria and other pathogens, resulting in local adhesion, exudation and other inflammatory lesions, which may involve the right lower abdominal intestines, peritoneum and other tissues, resulting in pain in the right lower side of the abdomen.
6. Ureteral stones: the lower part of the ureter is located in the pelvic abdominal cavity on the inside of the psoas major muscle, when the lower part of the right side of the ureter stone, it will damage the local ureteral mucosa, resulting in spasms, which will cause pain on the right lower side of the abdomen.
The pain in the lower right side of the abdomen may be related to a variety of factors, and it is recommended to consult a doctor for a definitive diagnosis.