Scombroid poisoning may cause a metallic, bitter, or even peppery taste.
Scombroid poisoning results from the breakdown of histidine into histamine resulting in facial flushing, diarrhea, severe throbbing headache, palpitations, and abdominal cramps.
Ciguatera poisoning leads to nausea, vomiting, diarrhea, myalgias, tingling and numbness, abdominal pain, and vertigo along with the classic association of hot and cold sensation reversal. In severe cases, hypotension, bradycardia, and coma may result.
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