Never one to miss a bandwagon, with the recent announcement of the withdrawal of pholcodine it seemed an ideal opportunity to look at the study that provided the data to prompt the review. How does pholcodine make you more likely to have an allergic reaction to neuromuscular blocking agents? How do we know? And whilst we answer these questions, we'll also talk about case control studies and odds ratios too. There's not much more fun you can pack into an 8-ish minute podcast!