| No. |
Disease |
Characteristics |
| 1 |
Immediate gastrointestinal hypersensitivity |
- nausea, emesis and abdominal pain within 1 to 2 hours of exposure to the allergen
- diarrhea within 2 to 6 hours of exposure to the allergen
|
| 2 |
Oral allergy syndrome |
- those with a history of sensitivity to pollen are usually affected
- occurs from eating fresh fruits and vegetables
- symptoms are localized to the oropharynx (lips, tongue, roof of the mouth, throat)
- symptoms include itching, swelling, and tingling
|
| 3 |
Eosinophilic esophagitis |
- eosinophilic inflammation of the esophagus
- children: gastro-esophageal reflux, vomiting, abdominal pain, feeding disorders
- Adolescents and adults: dysphagia and esophageal food impactions
|
| 4 |
Eosinophilic gastroenteritis |
- symptoms depend on the affected portion of the gastrointestinal tract
- symptoms include abdominal pain, vomiting, early satiety, anorexia, and sometimes hematemesis
- if eosinophilic infiltration is located in the antrum patient may present symptoms of pyloric stenosis
|
| 5 |
Food protein-induced allergic proctocolitis |
- usually presents in infants
- stool with streaks or specks of blood mixed with mucus
- symptoms include vomiting, diarrhea, and growth failure
- allergenic foods are milk and soy
|
| 6 |
Food protein-induced enterocolitis syndrome |
- usually presents in young infants
- symptoms include chronic emesis, diarrhea, and failure to thrive
- milk and soy are foods involved
- reintroduction of food after a washout period occurs with repeated vomiting and dehydration syndrome
|