excessive calorie intake and lack of calorie-burning are the main causes of weight gain. allergies per se does not cause weight gain but changes in food quality (switching from a food that is suspected of causing allergy to one of higher calories) and amounts of food can be a subtle cause if the person is not aware they are actually eating more calories. failure to thrive in infants is a lack of weight gain and would not be comparable.
can food allergies cause weight gain? . several people have told me this--that their seasonal allergies cause weight gain. one other says that her celiac disease causes weight gain--celiac disease usually causes failure to thrive in infants--could it cause weight gain in either children or adults? . thank you . sheila. wall@gmail. com