Trapped wind, a commonly felt condition felt in the digestive system, occurs when pressure builds up in the stomach or abdomen. This causes several symptoms, including bloating, burping as well as flatulence. The cause of trapped wind can be certain foods and drinks including: High fibre foods, Fructose – a type of sugar that is hard to break down, found in fruit juice, Fizzy drinks, Fatty foods, Dairy products & Carbohydrates.