Table 3

Types of hypersensitivity reactions [6,7]

Type

Alternate name

Examples

Mediators


I

Allergy (immediate)

Atopy

• — Anaphylaxis

• — Asthma

• — Allergic rhinitis

• — Angioedema

• — Food allergy

IgE


II

Cytotoxic, antibody-dependent

Erythroblastosis fetalis

• Goodpasture’s syndrome

• Autoimmune anemias, thrombocytopenias

IgG, IgM


III

Immune complex disease

Systemic lupus erythematosus

• Serum sickness

• Reactive arthritis

• Arthrus reaction

Aggregation of antigens IgG, IgM Complement proteins


IV

Delayed-type hypersensitivity, cell-mediated, antibody-independent

Contact dermatitis

• Tuberculosis

• Chronic transplant rejection

T cells, monocytes, macrophages


Warrington et al. Allergy, Asthma & Clinical Immunology 2011 7(Suppl 1):S1   doi:10.1186/1710-1492-7-S1-S1

Open Data