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â Reasons like indigestion and food poisoning can also cause a dull pain in the abdomen. Change in the bowel movement and constipation are also some significant reasons. Along with this, other common reasons like irritation in the stomach and gastritis are also responsible for the pain.robable Causes. â One of the most common reasons is appendicitis. Abdominal pain in women can also be due to miscarriage. If you experience a dull pain on the right side, then it is mainly due to the presence of gallstones or some form of gallbladder infection.
Abdominal pain can have many causes that range from mild to severe. Some of these causes include bloating, gas, colitis, endometriosis, food poisoning, GERD, IBS (irritable bowel syndrome), ovarian cysts, abdominal adhesions, diverticulitis, Crohn's disease, ulcerative colitis, gallbladder disease, liver disease, and cancers.