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Penicillin hypersensitivity

Most beta lactam antibiotics that are associated with a hypersensitivity reaction are a result of late, non-IgE mediated reactions…

01 Jan 2012

Anticonvulsant Hypersensitivity Syndrome

Carbamazepine, oxcarbazepine and phenytoin are associated with this rare, but serious syndrome. It usually occurs after 1 to 4 weeks…

01 Jan 2012

Type 1 hypersensitivity reaction

An allergic reaction which is mediated by IgE and occurs approximately 5-10 minutes following exposure to an allergen.

01 Jan 2012

Dentine Hypersensitivity

Dentine hypersensitivity is a short, sharp pain due to exposed dentine on a tooth’s surface. It usually…

01 Jan 2012

Hypersensitivity reaction type IV

Hypersensitivity reaction type IV

Hypersensitivity reaction type IV is an allergic reaction (e.g. contact dermatitis) that occurs due to overactivity of immune cells called T lymphocytes.

12 Oct 2005

Hypersensitivity reaction type II

Hypersensitivity reaction type II

Hypersensitivity reaction type II is also called cytotoxic reaction or antibody-dependent hypersensitivity reaction. This is its defining feature.

12 Oct 2005

Hypersensitivity reaction type III

Hypersensitivity reaction type III

Hypersensitivity reaction type III (immune complex disease) is a tissue damaging immune response, such as serum sickness.

12 Oct 2005

Hypersensitivity reaction type I

Hypersensitivity reaction type I

Hypersensitivity reaction type 1 is common and immediate, and includes the reactions seen in asthma, hay fever and allergic conjunctivitis.

08 Oct 2005

Extrinsic allergic alveolitis (EAA) or hypersensitivity pneumonitis (HP)

Extrinsic allergic alveolitis (EAA) or hypersensitivity pneumonitis (HP)

Hypersensitivity pneumonitis and extrinsic allergic alveolitis are respiratory disorders involving inflammation of the airways or alveoli of the lungs.

23 May 2003