Fish/shellfish poisoning
Last updated: Tuesday, 03, August, 2010
| Clinical Manifestations | Appropriate Tests |
|---|---|
Ciguatera | Diagnosis by detection of ciguatoxin in suspect fish eg, barracuda, snapper (specialised laboratory). The symptoms may take months to resolve. |
Abdominal cramps | |
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Scombroid | Clinical diagnosis with history of ingestion of spoiled (decayed)fish eg, tuna, mackerel. |
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Shellfish poisoning | Clinical syndromes due to dinoflagellate toxins which are concentrated by the shellfish. |
| Paraesthesiae and muscle weakness; diagnosis by detection of saxitoxin from eg, Gonyaulax sp, in suspect shellfish. |
| Parasthesiae without muscle weakness, due to unspecified toxins in Gymnodinium breve. |
| Amnesia and confusion, at times with cardiovascular instability due to domoic acid produced by Nitzchia pungens. |