Scombroid Toxicity Treatment & Management
- Author: John D Patrick, MD; Chief Editor: Asim Tarabar, MD more...
Prehospital Care
- Prehospital care is primarily supportive.
- Provide oxygen and monitor cardiac function as needed.
- Antihistamines and bronchodilators may be used as needed if advanced life support personnel are involved.
Emergency Department Care
If the patient only has minimal symptoms of scombroid toxicity, reassurance and observation may be the only treatment necessary.
- If clinically necessary, obtain an ECG and institute intravenous access, oxygen, and cardiac monitoring.
- Serum histamine levels and urinary histamine excretion are elevated in persons with acute illness; however, they are usually not available in a timely manner and do not have practical value for acute treatment of scombroid toxicity.
- Treat with antihistamines as needed; H1- and H2-blockers may be useful.
- Consider use of activated charcoal only if the presentation is very early and a large amount of fish was ingested.
- Although bronchospasm is rare, use standard treatment if it occurs.
- Inhaled beta2-adrenergic agonists
- Inhaled ipratropium bromide (may be particularly useful for the treatment of histamine-induced bronchospasm)
- Epinephrine
- Extremely rare reported cases of myocardial dysfunction, ischemia, or infarction related to scombroid poisoning exist; standard treatment for these complications, including pressors, should be used. One reported case documents successful treatment of a 36-year-old woman with severe myocardial dysfunction refractory to pressor support by using a biventricular assist device for 8 days.[9]
Consultations
Consult the regional poison control center or a local medical toxicologist (certified through the American Board of Medical Toxicology or the American Board of Emergency Medicine) for additional information and patient care recommendations.
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