British journal of anaesthesia
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Neuromuscular blocking agents are a common cause of perioperative hypersensitivity. The sensitivity and specificity of skin tests and in vitro tests in this context have not been determined conclusively, which poses a barrier to accurate diagnosis. ⋯ However, its use is currently limited to specialised centres, and a standardised approach to testing has not yet been established. This article summarises the role of challenge testing to neuromuscular blocking agents and highlights the advantages and disadvantages of the different approaches.