Food-Borne Illnesses

Scombroid Fish Poisoning (see [[Scombroid]])

Etiology

  • Scombroid fish (tuna, mackerel) and others

Onset

  • Histamine reaction -> occurs within 30 min (up to a few hrs)

Clinical

  • GI: abdominal cramps, N/V, diarrhea
  • Neuro: flushing, headache, burning of mouth, pruritus
  • Derm: urticaria
  • Pulm: bronchospasm

Paralytic-Neurotoxic Shellfish Poisoning (see [[Paralytic-Neurotoxic Shellfish Poisoning]])

Etiology

  • xxx

Cigua Toxin Poisoning (see [[Cigua Toxin Poisoning]])

Etiology

  • 400 species of fish (90% of cases occur in Hawaii and Florida)

Onset

  • Occurs within 5 hrs (3-9 hrs)

Clinical

  • GI: abdominal cramps, N/V, diarrhea
  • Neuro:
    • Parasthesias
    • Myalgias
    • Visual symptoms
    • CN palsies
  • Cardiac:
    • Bradycardia
    • Hypotension

Botulism (see [[Botulism]])

Etiology

  • Canned foods
  • Wounds

Onset

  • Within 2-24 hrs

Clinical

  • Neuro:
    • Bulbar involvement first -> symmetric descending paralysis
    • Absence of sensory findings
    • Normal-hyporeflexia
    • Normal MS
  • GI: N/V

Treatment

  • GI lavage to remove toxin
  • Trivalent antitoxin

Vibrio Vulnificus (see [[Vibrio Vulnificus]])

Etiology

  • Raw shellfish (oysters)

High-risk groups

  • Liver disease
  • ETOH abuse
  • Immunosupressed

Onset

  • xxx

Clinical

  • Sepsis
  • GI
  • Bullous skin lesions
  • Absence of neuro symptoms

Clostridium Perfringens (see [[Clostridium Perfringens]])

Etiology

  • Meat products

Onset

  • Within 7-19 hrs

Clinical

  • GI
  • Sepsis
  • Hemolysis
  • Absence of neuro symptoms