Pseudoallergy, sometimes known as nonallergic hypersensitivity, is a type of hypersensitivity reaction mostly described in the context of drug allergy...

Red Man syndrome), icatibant, leuprolide, and morphine. MAS1 oncogene Pseudoallergy GRCh38: Ensembl release 89: ENSG00000183695 – Ensembl, May 2017 GRCm38:...

Because this mechanism is classified as a pharmacological reaction, or "pseudoallergy", the condition is considered a food intolerance instead of a true immunoglobulin...