Predominant symptoms described (number of cases with the symptom in
parenthesis) were numbness in the face (6), numbness in lips (6),
numbness in legs (6), tingling in arms (5), numbness in arms (5),
tingle in lips (5), drowsiness (5), breathing difficulty (3),
speech difficulty (3), tingling in face (3), nausea (3), and
vomiting (3). Other symptoms included respiratory paralysis,
blisters in facial area, dizziness, seizures, lightheadedness,
confusion, headache, muscle aches and hypoglycemia. The latent
period after consuming the fish ranged from 30 minutes to
approximately 8 hours, with a median of 2 hours and a mean of 2.2
hours. Duration ranged from 10 hours to 45 days with a mean of 6.2
days and median of 24 hours.
