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What are symptoms of shellfish poisoning?

ANSWER

You can get poisoned from clams, mussels, and other shellfish contaminated with a toxin that causes paralysis. Symptoms appear 30 minutes to 2 hours after you eat. They can include:

  • Nausea
  • Vomiting
  • Diarrhea
  • Abdominal pain
  • Numbness of the lips, tongue, and fingertips

SOURCES:

Author: Scott H Plantz, MD, FAAEM, Research Director, Assistant Professor, Department of Emergency Medicine, Mount Sinai School of Medicine. Editors: N Stuart Harris, MD, MFA, Staff Physician, Department of Emergency Medicine, Harvard Medical School; Francisco Talavera, PharmD, PhD, Senior Pharmacy Editor, eMedicine; James Kimo Takayesu, MD, Staff Physician, Department of Emergency Medicine, Brigham and Women's Hospital/Massachusetts General Hospital.

CHC Medical Library and Patient Education: "Fish and shellfish poisoning."

SailNet: "Dangerous Seafood."

Reviewed by Jennifer Robinson on May 15, 2018

SOURCES:

Author: Scott H Plantz, MD, FAAEM, Research Director, Assistant Professor, Department of Emergency Medicine, Mount Sinai School of Medicine. Editors: N Stuart Harris, MD, MFA, Staff Physician, Department of Emergency Medicine, Harvard Medical School; Francisco Talavera, PharmD, PhD, Senior Pharmacy Editor, eMedicine; James Kimo Takayesu, MD, Staff Physician, Department of Emergency Medicine, Brigham and Women's Hospital/Massachusetts General Hospital.

CHC Medical Library and Patient Education: "Fish and shellfish poisoning."

SailNet: "Dangerous Seafood."

Reviewed by Jennifer Robinson on May 15, 2018

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What can happen if you have shellfish poisoning?

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