Gastrointestinal Allergy

Abstract

Laboratory TestsIn patients suspected of gastrointestinal allergy, demonstration of the allergic response has at times been sought by radiologic studies. For the most part, the patient has first been examined by means of a barium-in-water meal, followed in a few days by a similar examination, a suspected food being given with or a few hours after the barium suspension. In patients so examined, whether adults or children, the most common finding at the second test was delayed gastric emptying, usually interpreted as indicating allergic pyloric spasm or edema.^{31,40, 63 , 64} This interpretation, however, may be questioned on many counts. All foods, . . .