the pain in the lower right, lower left, or middle of your abdomen? Is it mild, moderate, or severe? Have you had a bowel movement recently? Do you have fever, vomiting, diarrhea, loss of appetite, or pain when urinating? You should seek medical attention promptly if: The pain is severe or getting worse. You develop a fever. You start vomiting repeatedly. The pain becomes concentrated in the lower right side of your abdomen. Your abdomen becomes swollen or very tender. In the meantime, drink plenty of water, eat light foods, and avoid self-medicating with strong painkillers until the cause is clearer.