https://doi.org/10.1351/goldbook.11990
Illness that is a consequence of consumption of bivalve molluscs such as mussels, oysters, and clams that have ingested large quantities of microalgae containing saxitoxin or its derivatives.
Note: Initially there is tingling, numbness, and burning of the tongue and lips, which spreads to the face, neck, arms, fingertips, legs, and toes; this is followed by weakness of the upper and lower limbs, loss of motor coordination, and, in severe cases, paralysis.