According to the drug reaction article "PEG That Reaction: A Case Series of Allergy to Polyethylene Glycol" published in The Journal of Clinical Pharmacology 2021, Polyethylene Glycol (PEG), also called macrogol, is an excipient used in severe health care products, medications, vaccines, cosmetics, and food products.  PEG functions … [Read more...] about Polyethylene Glycol (PEG) Allergies Often Result in Urticaria and Anaphylaxis