Gluten intolerance is thought to be a genetic disorder. There are several HLA serotypes which are common in this disorder leading to the genetic theory. The reason that people have trouble with gluten digestion is not clear. However, biopsy of the small intestine shows a characteristic lesion. However, these are not specific.
Diagnosis depends on a biopsy as well as using a gluten free diet-demonstrating improvement.
Weight gain is absolutely not a part of this diagnosis and would make me doubt her diagnosis. Back to Drug InfoNet Home Page. Back to Doctor FAQ main page. Send your impressions, comments, thoughts, etc. Inc. All rights reserved.