Signs and symptoms of foodborne botulism include: 1  Difficulty swallowing or speaking. 2  Dry mouth. 3  Facial weakness on both sides of the face.  Blurred or double 1  vision. Drooping eyelids.  Trouble 1  breathing. Nausea, vomiting and abdominal cramps.  Paralysis.
DOH 332-058 October 2013 Paralytic Shellfish Poisoning (âred tideâ) What is paralytic shellfish poisoning? Paralytic shellfish poisoning (PSP) is a serious illness caused by eating shellfish contaminated with algae that contains a toxin harmful to humans.OH 332-058 October 2013 Paralytic Shellfish Poisoning (âred tideâ) What is paralytic shellfish poisoning? Paralytic shellfish poisoning (PSP) is a serious illness caused by eating shellfish contaminated with algae that contains a toxin harmful to humans.
paralytic shellfish poisoning. Poisoning after ingestion of shellfish contaminated by toxic marine algae that produce saxitoxin. Saxitoxin alters cell membrane permeability to sodium ions.It causes numbness and tingling, nausea and vomiting, and, in severe intoxications, paralysis and respiratory failure.aralytic shellfish poisoning. Poisoning after ingestion of shellfish contaminated by toxic marine algae that produce saxitoxin. Saxitoxin alters cell membrane permeability to sodium ions.