My right side is more bloated than the left (around my hip). in the past its sometimes inflated and then gone back down. also have hip/back ache?

Think diet!: Bloating or intestinal pain are almost always related to diet. Many people are severely constipated if consuming the average the American diet. Sometimes there r certain food intolerances such as dairy or wheat that can cause this. A simple x-ray by your primary care physician can determine your degree of constipation. Elimination diets can help determine what foods could be causing the bloating