Stonefish sting

Definition

Stonefish are members of the family Scorpaenidae, or scorpion fish. The family also includes zebrafish and lionfish. These fishes are very good at hiding in their surroundings. The fins of these prickly fishes carry toxic venom. This article describes the effects of a sting from this kind of fish.

This article is for information only. DO NOT use it to treat or manage an actual stonefish sting. If you or someone you are with is stung, call the local emergency number (such as 911), or the local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States.

Poisonous Ingredient

Stonefish venom is toxic and contains the chemical verrucotoxin.

Where Found

Venomous stonefish and related sea animals live in tropical waters, including off the warm coasts of the United States. They are also considered prized aquarium fish, and are found worldwide in aquariums.

Symptoms

A stonefish sting causes intense pain and swelling at the site of the sting. Swelling can spread to an entire arm or leg within minutes.

Below are symptoms of a stonefish sting in different parts of the body.

AIRWAYS AND LUNGS

HEART AND BLOOD

SKIN

STOMACH AND INTESTINES

NERVOUS SYSTEM

Home Care

Seek medical help right away. Contact your local emergency services.

For superficial stings to an arm or leg, you can take the following first aid steps while waiting for medical help.

Before Calling Emergency

Have this information ready:

Poison Control

Your local poison control center can be reached directly by calling the national toll-free Poison Help hotline (1-800-222-1222) from anywhere in the United States. This national hotline 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.

What to Expect at the Emergency Room

The health care provider will measure and monitor the person's vital signs, including temperature, pulse, breathing rate, and blood pressure. The wound will be soaked in a cleaning solution and any remaining debris will be removed. Symptoms will be treated as appropriate. Some or all of the following procedures may be performed:

Outlook (Prognosis)

Recovery usually takes about 24 to 48 hours. Outcome often depends on how much venom entered the body, the location of the sting, and how soon the person received treatment. Numbness or tingling may last for several weeks after the sting. Skin breakdown is sometimes severe enough to require surgery.

A puncture to the person's chest or abdomen may lead to death.

References

Curtis AM, Erickson TB. Venomous animal injuries. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 53.

Elston DM. Bites and stings. In: Bolognia JL, Schaffer JV, Cerroni L, eds. Dermatology. 4th ed. Philadelphia, PA: Elsevier; 2018:chap 85.

Auerbach PS, DiTullio AE. Envenomation by aquatic vertebrates. In: Auerbach PS, Cushing TA, Harris NS. eds. Auerbach's Wilderness Medicine. 7th ed. Philadelphia, PA: Elsevier; 2017:chap 75.

Warrell DA. Animals hazardous to humans: venomous bites and stings and envenoming. In: Ryan ET, Hill DR, Solomon T, Aronson NE, Endy TP, eds. Hunter's Tropical Medicine and Emerging Infectious Diseases. 10th ed. Philadelphia, PA: Elsevier; 2020:chap 137.



Review Date: 7/1/2023
Reviewed By: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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