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Scorpion fish are members of the family Scorpaenidae, which includes lionfish and stonefish. These fish are particularly good at camouflaging themselves in their surroundings. The fins of these prickly fish carry poisonous venom. This article describes the effects of a sting from such fish.
This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.
Scorpion fish live in tropical waters, including the warm shorelines of the coastal United States. They are also considered prized aquarium fish and thus are found worldwide.
A scorpion fish sting causes intense pain and swelling at the site of the sting. Swelling can spread to affect an entire arm or leg within minutes.
Airways and lungs:
Heart and blood:
Stomach and intestines:
Seek immediate medical attention.
Wash the area with salt water. Remove any foreign material at the wound site. Soak the wound in the hottest water the person can tolerate for 30 to 90 minutes while contacting your local emergency services.
Determine the following information:
The National Poison Control Center (1-800-222-1222) can be called from anywhere in the United States. This national hotline number will let you talk to experts in poisoning. They will give you further instructions.
This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. It does NOT need to be an emergency. You can call for any reason, 24 hours a day, 7 days a week.
The health care provider will measure and monitor the patient's vital signs, including temperature, pulse, breathing rate, and blood pressure. The wound will be soaked in a cleaning solution and any remaining foreign material will be removed. Symptoms will be treated as appropriate, and some or all of the following procedures may be performed:
Outcome often depends on how much poisonous venom entered the body, the location of the sting, and how soon treatment is received. Numbness or tingling may persist for several weeks after the sting. Skin breakdown is sometimes severe enough to require surgical treatment.
A puncture to the patient's chest or abdomen may lead to death.
If scuba diving or snorkeling, learn to identify potentially poisonous or otherwise dangerous sea creatures and their habits.
Simon B, Hern HG Jr. In: Marx JA, ed. Rosen’s Emergency Medicine: Concepts and Clinical Practice. 7th ed. Philadelphia, Pa: Mosby Elsevier; 2009:chap 56.
Isbister GK, Caldicott DG. Trauma and evenomations from marine fauna. In: Tintinalli JE, Kelen GD, Stapczynski JS, Ma OJ, Cline DM, eds. Emergency Medicine: A Comprehensive Study Guide. 6th ed. New York, NY: McGraw-Hill; 2004:chap 196.
Auerbach PS. Envenomation by Aquatic Vertebrates. In: Auerbach PS, ed. Wilderness Medicine. 6th ed. Philadelphia, Pa: Mosby Elsevier; 2011:chap 81.