Food Toxicology 2(2+0)

Lesson 20 : Food Intolerance and Allergy

Symptoms and diagnosis

Symptoms of IgE-Mediated Food Allergies

Respiratory	Cutaneous	Gastrointestinal	Systemic
Rhinitis A	Angioedema	Abdominal cramps	Anaphylactic
shock Asthma	Urticaria	Diarrhea
Laryngeal edema	Eczema/atopic dermatitis	Nausea, Vomiting

Steps in the Diagnosis of IgE-Mediated Food Allergies

• Food diary
• Double-blind placebo-controlled food challenge (DBPCFC)
• Skin prick test (SPT) or radioallergosorbent test (RAST)