Diagnosis and Assessment
Table 1. Symptoms of Food-Induced Allergic Reactions Target Organ
Immediate Symptoms Cutaneous
> Erythema > Pruritus > Urticaria > Morbilliform eruption > Angioedema
Ocular
> Pruritus > Conjunctival erythema > Tearing > Periorbital edema
Upper respiratory
> Nasal congestion > Pruritus > Rhinorrhea > Sneezing > Laryngeal edema > Hoarseness > Dry staccato cough
Lower respiratory
> Cough > 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 > Colicky abdominal pain > Reflux > Vomiting > Diarrhea
Cardiovascular
> Tachycardia (occasionally bradycardia in anaphylaxis)
> Hypotension > Dizziness > Fainting > Loss of consciousness
Miscellaneous 2
> Uterine contractions > Sense of ''impending doom''
> Nausea > Abdominal pain > Reflux > Vomiting > Diarrhea > Hematochezia > Irritability and food refusal with weight loss (young children)
> Cough, dyspnea and wheezing Delayed Symptoms
> Erythema > Flushing > Pruritus > Morbilliform eruption > Angioedema > Eczematous rash
> Pruritus > Conjunctival erythema > Tearing > Periorbital edema
