Table I. Symptoms of food-induced allergic reactions.
| Target organ | Immediate symptoms | Delayed symptoms |
|---|---|---|
| Cutaneous | Erythema | Erythema |
| Pruritus | Flushing | |
| Urticaria | Pruritus | |
| Morbilliform eruption | Morbilliform eruption | |
| Angioedema | Angioedema | |
| Eczematous rash | ||
|
| ||
| Ocular | Pruritus | Pruritus |
| Conjunctival erythema | Conjunctival erythema | |
| Tearing | Tearing | |
| Periorbital edema | Periorbital edema | |
|
| ||
| Upper respiratory | Nasal congestion | |
| Pruritus | ||
| Rhinorrhea | ||
| Sneezing | ||
| Laryngeal edema | ||
| Hoarseness | ||
| Dry staccato cough | ||
|
| ||
| Lower respiratory | Cough | Cough, dyspnea, and wheezing |
| Chest tightness | ||
| Dyspnea | ||
| Wheezing | ||
| Intercostal retractions | ||
| Accessory muscle use | ||
|
| ||
| GI (oral) | Angioedema of the lips, tongue, or palate | |
| Oral pruritus | ||
| Tongue swelling | ||
|
| ||
| GI (lower) | Nausea | Nausea |
| Colicky abdominal pain | Abdominal pain | |
| Reflux | Reflux | |
| Vomiting | Vomiting | |
| Diarrhea | Diarrhea | |
| Hematochezia | ||
| Irritability and food refusal with | ||
| weight loss (young children) | ||
|
| ||
| Cardiovascular | Tachycardia (occasionally bradycardia in anaphylaxis) | |
| Hypotension | ||
| Dizziness | ||
| Fainting | ||
| Loss of consciousness | ||
|
| ||
| Miscellaneous | Uterine contractions | |
| Sense of “impending doom” | ||
GI, Gastrointestinal.
Note: This table is presented as Table IV in the Guidelines.