TOPICS: Scombroid poisoning, spoiled fish, bacterial decarboxylase, histidine, histamine, facial flushing, skin redness, urticaria (hives), acute burning sensation of mouth, antihistamines, anaphylaxis, bronchospasm, angioedema, hypotension, albuterol, epinephrine, tetrodotoxin, voltage-gated sodium channels, pufferfish, dizziness, nausea, diarrhea, paresthesias, weakness, hyporeflexia, iv fluids, ciguatoxin, reef fish, barracuda, moray eel, snapper, nausea, vomiting, diarrhea, perioral numbness, reverse sensations of hot and cold, bradycardia, atrioventricular heart block, hypotension