CALL 911 OR YOUR LOCAL HEALTH CARE PROVIDER IMMEDIATELY IF YOU SUSPECT SHELLFISH POISONING.

Shellfish Poisoning

In people, shellfish poisoning can start within minutes to hours of consuming toxic shellfish.

CALL 911 OR YOUR LOCAL HEALTH CARE PROVIDER IMMEDIATELY IF YOU HAVE ONE OR MORE OF THE FOLLOWING SYMPTOMS:

ProgressionSymptoms
1Headache
1Tingling/Numbness
1Dizziness
1Nausea/vomiting
1Vertigo
2Incoherent speech
2Involuntary eye movement
2Rapid pulse
2Loss of coordination
2Shortness of breath
2Backache
3Motor speech disorder
3Difficulty swallowing
3Weakness in arms/legs
3Suspension of breathing
3Muscular paralysis
3Respiratory arrest
4Death

Death can occur in a matter of hours.

Treatment is supportive care, which may require mechanical ventilation.

There is no antitoxin.

Current HAB Alert: High densities of Alexandrium cells were observed by the HAB cruise in the Bering Strait region at the beginning of September. A strong storm in Western Alaska washed up clams along the coast and harvesters are encouraged to stay alert and contact their local health care providers if they experience any of the signs of PSP after consuming shellfish.Learn more »
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