Hypersensitivity reactions include both allergies, intolerances and certain autoimmune illnesses.
Hypersensitivity types[edit | edit source]
- Type I: Immediate reaction
- Type II: Antibody-mediated reaction
- Type III: Immune complex-mediated
- Type IV: Cell-mediated or delayed-type reaction
- Type V: Antibody
Hypersensitivity illnesses[edit | edit source]
Examples according to hypersensitivity type include:
- Type I: Allergy including food allergies, asthma, may cause anaphylaxis
- Type II: Autoimmune hemolytic anemia, myasthenia gravis, acute rheumatic fever
- Type III: Lupus, and post-streptococcal glomerulonephritis.
- Type IV: Multiple sclerosis, rheumatoid arthritis
- Type V: Autoimmunee.g. Graves' disease
See also[edit | edit source]
Learn more[edit | edit source]
References[edit | edit source]
antibody - Antibodies or immunoglobulin refers to any of a large number of specific proteins produced by B cells that act against an antigen in an immune response.
anaphylaxis - "an often severe and sometimes fatal systemic reaction in a susceptible individual upon exposure to a specific antigen (such as wasp venom or penicillin) after previous sensitization". Typically causes breathing problems, fainting or loss of consciousness, fast heartbeat, itching, and hives. (Learn more: www.nhs.uk)