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'''Scombroid food poisoning''' is a [[foodborne illness]] that results from eating spoiled (decayed) [[fish]].<ref name=uhm>{{cite journal |vauthors=Clark RF, Williams SR, Nordt SP, Manoguerra AS |title=A review of selected seafood poisonings |journal=Undersea Hyperb Med |volume=26 |issue=3 |pages=175–84 |year=1999 |pmid=10485519 |doi= |url=http://archive.rubicon-foundation.org/2314 |accessdate=2008-08-12}}</ref> Along with [[ciguatera]], it is listed as a common type of [[seafood poisoning]].<ref>{{cite web|title=Poisoning - fish and shellfish|url=https://www.nlm.nih.gov/medlineplus/ency/article/002851.htm|publisher=MedlinePlus - National Institutes of Health's Web site|accessdate=6 September 2012}}</ref> The toxin believed to be responsible is [[histamine]], formed as the flesh of the fish begins to decay. As histamine is also the natural agent involved in [[allergic reaction]]s, scombroid food poisoning often gets misidentified as a [[food allergy]].
'''Scombroid food poisoning''' is a [[foodborne illness]] that results from eating spoiled (decayed) [[fish]].<ref name=uhm>{{cite journal |vauthors=Clark RF, Williams SR, Nordt SP, Manoguerra AS |title=A review of selected seafood poisonings |journal=Undersea Hyperb Med |volume=26 |issue=3 |pages=175–84 |year=1999 |pmid=10485519 |doi= |url=http://archive.rubicon-foundation.org/2314 |accessdate=2008-08-12}}</ref> Along with [[ciguatera]], it is listed as a common type of [[seafood poisoning]].<ref>{{cite web|title=Poisoning - fish and shellfish|url=https://www.nlm.nih.gov/medlineplus/ency/article/002851.htm|publisher=MedlinePlus - National Institutes of Health's Web site|accessdate=6 September 2012}}</ref> The toxin believed to be responsible is [[histamine]], formed as the flesh of the fish begins to decay. As histamine is also the natural agent involved in [[allergic reaction]]s, scombroid food poisoning often gets misidentified as a [[food allergy]].


The syndrome is named after [[Scombridae]] family of fish, which includes [[mackerel]]s, [[tuna]]s and [[bonito]]s, because early descriptions of the illness noted an association with those species; however, the [[Centers for Disease Control and Prevention (CDC)]] have identified other, nonscombroid vectors, such as [[mahi-mahi]] and [[amberjack]]. Scombroid syndrome can result from inappropriate handling of fish during storage or processing. Cooking the food does not prevent illness, because histamine is not destroyed at normal cooking temperatures.
The syndrome is named after the [[Scombridae]] family of fish, which includes [[mackerel]]s, [[tuna]]s and [[bonito]]s, because early descriptions of the illness noted an association with those species, although the [[Centers for Disease Control and Prevention (CDC)]] have identified nonscombroid vectors such as [[mahi-mahi]] and [[amberjack]]. Scombroid syndrome can result from inappropriate handling of fish during storage or processing. Cooking the food does not prevent illness, because histamine is not destroyed at normal cooking temperatures.


==Causes==
==Causes==
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=== Additional symptoms ===
=== Additional symptoms ===
The above symptoms can advance to:
The above symptoms can advance to:
* facial [[rash]] (intense itching may accompany the rash.)
* facial [[rash]] (intense itching may accompany the rash)
* torso or body rash: The rash associated with scombroid poisoning is a form of [[urticaria]], but most commonly does not include wheals (patchy areas of skin-swelling also known as hives) that may be seen in true allergies.<ref>{{cite web|url=http://dermnetnz.org/reactions/scombroid.html|title=Scombroid fish poisoning|publisher=DermNet New Zealand Trust|date=15 December 2014}}</ref>
* torso or body rash: The rash associated with scombroid poisoning is a form of [[urticaria]], but most commonly does not include wheals (patchy areas of skin-swelling also known as hives) that may be seen in true allergies.<ref>{{cite web|url=http://dermnetnz.org/reactions/scombroid.html|title=Scombroid fish poisoning|publisher=DermNet New Zealand Trust|date=15 December 2014}}</ref>
* [[edema]] (this is generalized if it occurs at all)
* [[edema]] (this is generalized if it occurs at all)
Line 53: Line 53:


==Epidemiology==
==Epidemiology==
Isolated reports of scombroid food poisoning in humans caused by histamine present in the tissues of stale or rotten scombroid fish, usually tuna, have occurred over the years. In September 2016, the Singapore authorities intercepted canned tuna imported from Thailand after finding high levels of histamine.<ref>{{cite web|title=Scombroid fish poisoning - Singapore: ex Thailand, canned tuna, recall, RFI 2016-09-21 21:37:42|url=http://www.promedmail.org/post/4503707|website=www.promedmail.org|publisher=International Society for Infectious Diseases|accessdate=28 September 2016}}</ref> No human cases were reported. In 2015, 7 people at a cafe in [[Sydney]] became ill after eating John Bull Tuna Chunky Style in safflower oil on tuna salads.<ref>{{cite web|title=Scombroid fish poisoning - Australia: (NS) canned tuna 2015-03-01 12:51:27|url=http://www.promedmail.org/post/3193848|website=www.promedmail.org|publisher=International Society for Infectious Diseases|accessdate=28 September 2016}}</ref> The tinned tuna had come from Thailand. The Shenzhen Post reported that histamine poisoning from scombroid fish happens often in the autumn in [[Guangdong province]] in China.<ref>{{cite news|title=26 People Were Poisoned Because of Eating Stale Mackerel {{!}} Shenzhen Post|url=http://www.szpost.com/2013/08/26-people-were-poisoned-because-of-eating-stale-mackerel.html|accessdate=28 September 2016}}</ref> In August 2013, 26 people in Shenzen were poisoned after eating stale mackerel. Several people became ill after eating tuna sandwiches at a cafe in Edinburgh in Scotland in 2013.<ref>{{cite web|title=013-04-05 23:00:36 Scombroid fish poisoning - UK (Scotland) tuna sandwiches|url=http://www.promedmail.org/post/20130405.1623033|website=www.promedmail.org|accessdate=28 September 2016}}</ref> The tuna had come from Ghana. In 2011, 20 reports of food poisoning at a Stockholm restaurant were thought to be histamine poisoning in tuna from Senegal. In 2012, UK environmental health authorities in North East Lincolnshire intercepted and destroyed a shipment of tuna from Vietnam after 4 crew members were reported to have developed symptoms of histamine poisoning.<ref>{{cite web|title=2011-10-22 16:44:38 Scombroid poisoning, tuna - Sweden: (Stockholm) restaurant|url=http://www.promedmail.org/post/20111022.3151|website=www.promedmail.org|publisher=International Society for Infectious Diseases}}</ref> Commercially canned tuna was determined to be the cause of the poisoning of 232 persons in the north-central United States in 1973.<ref>{{cite journal|last1=Merson|first1=MH|last2=Baine|first2=WB|last3=Gangarosa|first3=EJ|last4=Swanson|first4=RC|title=Scombroid fish poisoning. Outbreak traced to commercially canned tuna fish.|journal=JAMA|date=3 June 1974|volume=228|issue=10|pages=1268–9|pmid=4406515|doi=10.1001/jama.1974.03230350040026}}</ref>
Isolated reports of scombroid food poisoning in humans caused by histamine present in the tissues of stale or rotten scombroid fish, usually tuna, have occurred over the years. In September 2016, authorities in Singapore intercepted canned tuna imported from Thailand after finding high levels of histamine.<ref>{{cite web|title=Scombroid fish poisoning - Singapore: ex Thailand, canned tuna, recall, RFI 2016-09-21 21:37:42|url=http://www.promedmail.org/post/4503707|website=www.promedmail.org|publisher=International Society for Infectious Diseases|accessdate=28 September 2016}}</ref> No human cases were reported. In 2015, 7 people at a cafe in [[Sydney]] became ill after eating John Bull Tuna Chunky Style in safflower oil on tuna salads.<ref>{{cite web|title=Scombroid fish poisoning - Australia: (NS) canned tuna 2015-03-01 12:51:27|url=http://www.promedmail.org/post/3193848|website=www.promedmail.org|publisher=International Society for Infectious Diseases|accessdate=28 September 2016}}</ref> The tinned tuna had come from Thailand. The Shenzhen Post reported that histamine poisoning from scombroid fish happens often in the autumn in [[Guangdong province]] in China.<ref>{{cite news|title=26 People Were Poisoned Because of Eating Stale Mackerel {{!}} Shenzhen Post|url=http://www.szpost.com/2013/08/26-people-were-poisoned-because-of-eating-stale-mackerel.html|accessdate=28 September 2016}}</ref> In August 2013, 26 people in Shenzen were poisoned after eating stale mackerel. Several people became ill after eating tuna sandwiches at a cafe in Edinburgh in Scotland in 2013.<ref>{{cite web|title=013-04-05 23:00:36 Scombroid fish poisoning - UK (Scotland) tuna sandwiches|url=http://www.promedmail.org/post/20130405.1623033|website=www.promedmail.org|accessdate=28 September 2016}}</ref> The tuna had come from Ghana. In 2011, 20 reports of food poisoning at a Stockholm restaurant were thought to be histamine poisoning in tuna from Senegal. In 2012, UK environmental health authorities in North East Lincolnshire intercepted and destroyed a shipment of tuna from Vietnam after 4 crew members were reported to have developed symptoms of histamine poisoning.<ref>{{cite web|title=2011-10-22 16:44:38 Scombroid poisoning, tuna - Sweden: (Stockholm) restaurant|url=http://www.promedmail.org/post/20111022.3151|website=www.promedmail.org|publisher=International Society for Infectious Diseases}}</ref> Commercially canned tuna was determined to be the cause of the poisoning of 232 persons in the north-central United States in 1973.<ref>{{cite journal|last1=Merson|first1=MH|last2=Baine|first2=WB|last3=Gangarosa|first3=EJ|last4=Swanson|first4=RC|title=Scombroid fish poisoning. Outbreak traced to commercially canned tuna fish.|journal=JAMA|date=3 June 1974|volume=228|issue=10|pages=1268–9|pmid=4406515|doi=10.1001/jama.1974.03230350040026}}</ref>


==See also==
==See also==

Revision as of 15:52, 3 April 2018

Scombroid food poisoning
SpecialtyEmergency medicine Edit this on Wikidata

Scombroid food poisoning is a foodborne illness that results from eating spoiled (decayed) fish.[1] Along with ciguatera, it is listed as a common type of seafood poisoning.[2] The toxin believed to be responsible is histamine, formed as the flesh of the fish begins to decay. As histamine is also the natural agent involved in allergic reactions, scombroid food poisoning often gets misidentified as a food allergy.

The syndrome is named after the Scombridae family of fish, which includes mackerels, tunas and bonitos, because early descriptions of the illness noted an association with those species, although the Centers for Disease Control and Prevention (CDC) have identified nonscombroid vectors such as mahi-mahi and amberjack. Scombroid syndrome can result from inappropriate handling of fish during storage or processing. Cooking the food does not prevent illness, because histamine is not destroyed at normal cooking temperatures.

Causes

Unlike many types of food poisoning, scombroid form is not brought about by ingestion of a pathogen.[1] Histidine is an amino acid that exists naturally in many types of food (including fish) and at temperatures above 16 °C/60 °F it is converted to the biogenic amine histamine via the enzyme histidine decarboxylase produced by symbiotic bacteria such as Morganella morganii (this is one reason why fish should be stored in the freezer). Histamine is not destroyed by normal cooking temperatures, so even properly cooked fish can still result in poisoning.[3] Histamine is the main natural chemical responsible for true allergic reactions, so the symptoms produced are almost identical to a food allergy.[4][5]

Signs and symptoms

Symptoms typically occur within 10–30 minutes of ingesting the fish and generally are self-limited. People with asthma are more vulnerable to respiratory problems such as wheezing or bronchospasms. However, symptoms may show over two hours after consumption of a spoiled dish. They usually last for about 10 to 14 hours, and rarely exceed one to two days.

Initial

The first signs of poisoning suggest an allergic reaction with the following symptoms:

  • facial flushing/sweating
  • burning-peppery taste sensations in the mouth and throat
  • dizziness
  • nausea
  • headache
  • tachycardia
  • cold-like symptoms

Additional symptoms

The above symptoms can advance to:

  • facial rash (intense itching may accompany the rash)
  • torso or body rash: The rash associated with scombroid poisoning is a form of urticaria, but most commonly does not include wheals (patchy areas of skin-swelling also known as hives) that may be seen in true allergies.[6]
  • edema (this is generalized if it occurs at all)
  • short-term diarrhea
  • abdominal cramps

Severe

In the worst cases, the poisoning may cause:

  • blurred vision
  • respiratory distress
  • swelling of the tongue

In rare cases, the poisoning may result in death. The coroner's report on Noelene and Yvana Bischoff, mother and daughter tourists from Australia who died suddenly in Bali in January 2014, concluded their deaths were caused by scombroid food poisoning.[7]

Treatment

Treatment is in the form of supportive care. If there is light-headedness, the victim should lie with feet partly elevated. If there is severe wheezing, then intramuscular epinephrine should be given, 0.5–1 ml at dilution of 1/1000 (standard medical emergency kit). An intravenous antihistamine like diphenhydramine should be given if needed.

Epidemiology

Isolated reports of scombroid food poisoning in humans caused by histamine present in the tissues of stale or rotten scombroid fish, usually tuna, have occurred over the years. In September 2016, authorities in Singapore intercepted canned tuna imported from Thailand after finding high levels of histamine.[8] No human cases were reported. In 2015, 7 people at a cafe in Sydney became ill after eating John Bull Tuna Chunky Style in safflower oil on tuna salads.[9] The tinned tuna had come from Thailand. The Shenzhen Post reported that histamine poisoning from scombroid fish happens often in the autumn in Guangdong province in China.[10] In August 2013, 26 people in Shenzen were poisoned after eating stale mackerel. Several people became ill after eating tuna sandwiches at a cafe in Edinburgh in Scotland in 2013.[11] The tuna had come from Ghana. In 2011, 20 reports of food poisoning at a Stockholm restaurant were thought to be histamine poisoning in tuna from Senegal. In 2012, UK environmental health authorities in North East Lincolnshire intercepted and destroyed a shipment of tuna from Vietnam after 4 crew members were reported to have developed symptoms of histamine poisoning.[12] Commercially canned tuna was determined to be the cause of the poisoning of 232 persons in the north-central United States in 1973.[13]

See also

Ciguatera

References

  1. ^ a b Clark RF, Williams SR, Nordt SP, Manoguerra AS (1999). "A review of selected seafood poisonings". Undersea Hyperb Med. 26 (3): 175–84. PMID 10485519. Retrieved 2008-08-12.
  2. ^ "Poisoning - fish and shellfish". MedlinePlus - National Institutes of Health's Web site. Retrieved 6 September 2012.
  3. ^ Benner, Ronald A. "Scombrotoxin". Bad Bug Book: Foodborne Pathogenic Microorganisms and Natural Toxins (PDF). U.S. Food and Drug Administration.
  4. ^ Otwell, W. Steven (2015-06-24). "Scombrotoxin Poisoning and Decomposition". U.S. Food and Drug Administration. Retrieved 2016-09-23.
  5. ^ Barry Leonard (August 2011). Fish and Fishery Products: Hazards and Controls Guidance (4th Ed. ) (PDF). DIANE Publishing. pp. 113–. ISBN 978-1-4379-8746-1.
  6. ^ "Scombroid fish poisoning". DermNet New Zealand Trust. 15 December 2014.
  7. ^ "Non-inquest findings into the death of Noelene Gaye BISCHOFF and Yvana Jean Yuri BISCHOFF" (PDF). 30 March 2015.
  8. ^ "Scombroid fish poisoning - Singapore: ex Thailand, canned tuna, recall, RFI 2016-09-21 21:37:42". www.promedmail.org. International Society for Infectious Diseases. Retrieved 28 September 2016.
  9. ^ "Scombroid fish poisoning - Australia: (NS) canned tuna 2015-03-01 12:51:27". www.promedmail.org. International Society for Infectious Diseases. Retrieved 28 September 2016.
  10. ^ "26 People Were Poisoned Because of Eating Stale Mackerel | Shenzhen Post". Retrieved 28 September 2016.
  11. ^ "013-04-05 23:00:36 Scombroid fish poisoning - UK (Scotland) tuna sandwiches". www.promedmail.org. Retrieved 28 September 2016.
  12. ^ "2011-10-22 16:44:38 Scombroid poisoning, tuna - Sweden: (Stockholm) restaurant". www.promedmail.org. International Society for Infectious Diseases.
  13. ^ Merson, MH; Baine, WB; Gangarosa, EJ; Swanson, RC (3 June 1974). "Scombroid fish poisoning. Outbreak traced to commercially canned tuna fish". JAMA. 228 (10): 1268–9. doi:10.1001/jama.1974.03230350040026. PMID 4406515.


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