Allergy type | Clinical reactions during food challenge | Eliciting allergens |
---|---|---|
n = patients | n = patients | |
Type I allergy | Â | Â |
(Systemic IgE) | Â | Â |
25 patients | 10 diarrhoea | 7 nuts |
18 atopics (72%) median serum IgE | 4 pruritus, vomiting, abdominal pain, tachycardia | 6 egg, wheat |
5 milk | ||
4 hazelnut, soy flour | ||
3 pollen associated fruits | ||
2 rye, celery, spice | ||
1 fish, maize, oat, barely, rice, peach, carrot, banana, pork | ||
198 (84.5 – 405) | ||
4 epigastric pain, bloating | ||
2 nausea, hypotension, GI- bleeding | ||
1 dyspepsia, flatulence, arthralgia, restlessness, fever, urticaria, abdominal colics, | ||
Type I allergy | 12 diarrhoea | 8 milk |
(Local IgE) | 10 abdominal pain | 5 nuts, pork, egg, wheat |
n = 22 | 5 bloating | 3 rice, pollen associated fruits |
11 atopics (50%) | 4 colitis | 2 soy flour, maize, celery |
Median serum IgE | 3 GI-bleeding | 1 fish (salmon), beef, rye, |
39 (23 – 77.5) | 2 pruritus, eosinophilia, urticaria | hazelnut, moulds |
1 hypotension, dysphagia tachycardia, gastroesophageal reflux, ascites, edema | ||
Type III allergy (serum immune complexes) | 3 diarrhoea | 4 soy flour |
2 bloating, abdominal pain | 2 pork | |
1 GI-bleeding, tachycardia, hypotension, nausea | 1 rye, rice | |
n = 4 | ||
2 atopics (50%) | ||
median serum IgE | ||
38.5 (20 – 83) | ||
Type IV allergy | 6 diarrhoea | 5 rye |
(Cellular hypersensitivity) | 3 abdominal pain, pruritus | 3 wheat, beef |
n = 12 | 2 bloating, vomiting, flatulence, hypotension | 2 milk, pork, soy flour, egg, soy bean |
5 atopics (41.6%) | ||
Median serum IgE | ||
31 (10 – 57.5) | ||
1 tachycardia, flush, GI-bleeding | 1 nuts, chicken, maize, moulds, pollen-associated fruits |