The Medicines and Healthcare products Regulatory Agency (MHRA) has warned healthcare professionals to be aware of the potential risk of pulmonary aspiration in patients using glucagon-like peptide-1 (GLP-1) or dual glucose-dependent insulinotropic polypeptide (GIP)/GLP-1 receptor agonists (GLP-1 RAs), who undergo surgery or procedures with general anaesthesia or deep sedation.