Soy lecithin is a common emulsifier used as an excipient in drugs and topical skin care products.
A recent case report published in theJournal of Medical Case Reportssuggests that patients with a soy allergy who receive an injection of a drug with soy lecithin as an excipient might experience adverse reactions. Clinicians are therefore advised to be aware of the source of the lecithin listed on the constituents of drugs, as well as the patient’s allergy history, prior to administering an injection.
Soy lecithin is a common emulsifier used as an excipient in drugs and topical skin care products.