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Marine toxins are chemicals and bacteria that can contaminate certain types of seafood. Eating the seafood may result in food poisoning. The seafood may look, smell, and taste normal. There are five common types of marine toxins, and they all cause different symptoms.
Food poisoning through marine toxins is rare. Marine toxin poisoning occurs most often in the summer.
Your doctor will do a medical history and a physical exam and ask you questions about your symptoms and any fish you have recently eaten. Laboratory testing is typically not needed.
There are no specific treatments for marine toxin poisoning. Treatment generally consists of managing complications and being supportive until the illness passes. Dehydration caused by diarrhea and vomiting is the most common complication.
To prevent dehydration, take frequent sips of a rehydration drink (such as Pedialyte). Try to drink a cup of water or rehydration drink for each large, loose stool you have. Soda and fruit juices have too much sugar and not enough of the important electrolytes that are lost during diarrhea, and they should not be used to rehydrate.
Try to stay with your normal diet as much as possible. Eating your usual diet will help you to get enough nutrition. Doctors believe that eating a normal diet will also help you feel better faster. But try to avoid foods that are high in fat and sugar. Also avoid spicy foods, alcohol, and coffee for 2 days after all symptoms have disappeared.
Always keep seafood refrigerated or on ice. If you have a weak immune system, you should consider not eating raw seafood.
To help avoid marine toxins:
Scombrotoxic fish poisoning:
Paralytic shellfish poisoning:
Neurotoxic shellfish poisoning:
Amnesic shellfish poisoning:
|Primary Medical Reviewer||E. Gregory Thompson, MD - Internal Medicine|
|Specialist Medical Reviewer||W. David Colby IV, MSc, MD, FRCPC - Infectious Disease|
|Last Revised||October 18, 2012|
Last Revised: October 18, 2012
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