amnesic shellfish poisoning

noun

variants also amnestic shellfish poisoning

: shellfish poisoning that is characterized by gastrointestinal and neurological symptoms (such as vomiting, abdominal cramps, headache, and permanent short-term memory loss) and sometimes death and is caused by domoic acid ingested in contaminated shellfish

Eating … shellfish with domoic acid concentrations that exceed 20 parts per million can lead to amnesic shellfish poisoning.

—Jeffrey P. Mayor, The News Tribune (Tacoma, Washington)

There is no antidote for amnesic shellfish poisoning, and neither cooking nor freezing clams lessens the toxicity.

—Allen Thomas, The Columbian (Vancouver, Washington)