My stomach bloats out like am 7 months pregnant i'm not pregnat but the pains are so bad i can't move for hours any ideas what.it could be?thanks

Food intolerance: The gas you are seeing is produced one of three ways 1 swallowing air during eating chewing gum or sometimes as a reaction to reflux disease and several other less common causes 2 bacteria overgrowth that as bacteria grow gas produce look up sibo 3 inabiltiy to digest some broad catagories of carbohydrates look up fodmap outside gas constipation may cause similar issues where laxitives may he.