I have swelling in the lower right quadrant of my abdomen, but no real pain. it isn't constant, but is on and off daily. what could this be?

Gluten sensitivity?: Sometimes people aren't aware how much their diet can affect their abdomen to produce: bloating, swelling, gas, pain, or discomfort, especially intermittently, like in irritable bowel syndrome. Often, going gluten-free, gmo free can help the bowel (intenstines) heal by reducing inflammation of the gut. This can quickly the other symptoms, have yourself tested for celiac. Gluten, and food allergies.