Disorders related to protein intolerance include oral allergy syndrome, immediate
gastrointestinal hypersensitivity,
eosinophilic esophagitis, gastritis and gastroenteritis; enterocolitis, protein - losing enteropathy, proctocolitis, chronic constipation (as the sole symptom), atopic dermatitis, multiple food protein intolerance of infancy (to several foods, including breast milk) and celiac disease (adverse reaction to gluten).