Sugammadex, a new reversal agent for rocuronium, encapsulates the rocuronium molecule and results in rapid reversal of rocuronium-induced neuromuscular blockade. A case in which sugammadex was used to treat an anaphylactic reaction that occurred after rocuronium is presented. The binding/encapsulation of rocuronium by sugammadex may selectively eliminate the antigenic quaternary ammonium activity of circulating rocuronium, and prevent the propagation of rocuronium-induced anaphylaxis.
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