Polyethylene glycol: an underrecognized compound in certolizumab pegol and Movicol that may cause anaphylaxis.

The article describes the case of a 37-year-old woman who developed anaphylaxis after taking certolizumab pegol for Psoriatic Arthritis (PsA). Topics covered include the patient's history of anaphylactic reaction to Movicol, the recommended treatment for anaphylaxis, and the importance of inquiring about previous allergic reactions and yellow-card reporting of adverse drug reactions to manufactures.