A previous hypersensitivity reaction to any penicillin is a contraindication.

However, it is possible for aspirin to trigger non-allergic hypersensitivity reactions.

Steroids are used to quiet hypersensitivity reactions in the lungs.

Other possible adverse effects, including hypersensitivity reactions and pancreatitis, have been reported.

Treatment is the same as for any other type 1 hypersensitivity reactions.

Usually due to a hypersensitivity reaction to a known drug.

Health officials worried that something in the influenza vaccine led to apparent hypersensitivity reactions.

Bicalutamide is contraindicated in patients who have shown a hypersensitivity reaction to its use.

This response is a hypersensitivity reaction similar to the response in allergic conditions.

The most severe of these happen immediately and are categorised as an immediate hypersensitivity reaction.