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Table 1 Toxin syndromes and symptoms within UK waters

From: Toxic marine microalgae and shellfish poisoning in the British isles: history, review of epidemiology, and future implications

  Toxin Causal species Symptoms References
PSP Saxitoxin and gonyautoxin Alexandrium spp.
Gymnodinium spp.
Pyrodinium spp.
Tingling and numbness
Drowsiness
Incoherence
In high doses - respiratory arrest or cardiovascular shock or death
[1, 11, 26, 52]
DSP Okadaic acid and Dinophysis toxin (1,2 and3) Dinophysis spp.
Prorcentrum spp.
Nausea
Vomiting
Diarrhoea
Abdominal cramps
[1, 26, 53, 54]
  Pectenotoxin Dinophysis spp.   
  Yessotoxin Gonyaulax spinifera
Lingulodinium polyedrum
Protoceratium reticulatum
In high doses - dehydration and shock  
AZP Azaspiracids Azadinium spinosum Nausea
Vomiting
Diarrhoea
Abdominal cramps
[22]
ASP Domonic acid Pseudo-nitzschia Nausea
Vomiting
Diarrhoea
Abdominal cramps
Loss of short term memory
[11, 26, 55]