Scorpionfish Sting

Scorpionfish Sting

Article
Brain & Nerve
Healthy Lungs
+3
Contributed byMaulik P. Purohit MD MPHJan 15, 2019

What are the other Names for this Condition? (Also known as/Synonyms)

  • Sting of the Scorpionfish

What is Scorpionfish Sting? (Definition/Background Information)

  • The scorpionfish is a venomous fish that may range in size from 15-45 cm. It is a predatory animal that blends well amongst the coral reefs. The tropical and temperate waters of the Indian and Pacific oceans are its main habitat
  • The fish is covered in prickly spines that carry highly toxic venom. Scorpionfish generally reside at the bottom of the ocean and capture prey (other fish and crabs) through camouflage. They are called ambush predators. Some scorpionfish reside in shallow waters too
  • Scorpionfish are exotic creatures and sought after as ornamental pets for artificial marine aquariums. However, their venom is fast-acting and can cause delirium and paralysis in a short period of time
  • Contact with humans occurs mostly during deep sea diving (accidental contact), while hunting for these fishes, or while cleaning tanks. Scorpionfish do not attack humans, but can inflict painful stings with the release of potent venom, when they are handled
  • Some Scorpionfish Stings may have mild symptoms, while others have severe symptoms. The severity of signs and symptoms depends on the species of scorpionfish, the amount of toxin injected, and also on the reaction of the human body to the toxin
  • Immediate medical attention has to be sought in case of severe stings. The treatment would involve removal of the spines, washing the affected area, and use of medications (topical antibiotics and painkillers). The prognosis is generally good with treatment in a majority of cases

Who gets Scorpionfish Sting? (Age and Sex Distribution)

  • Any individual exposed to the scorpionfish is vulnerable to its sting
  • Both males and females are affected and there is no gender bias observed
  • Scorpionfish are marine creatures found mostly in the Indian and Pacific oceans

What are the Risk Factors for Scorpionfish Sting? (Predisposing Factors)

The risk factors identified for Scorpionfish Stings include:

  • Deep sea divers, hunting for these marine creatures
  • Keeping them as pets in aquariums (exotic collection)
  • Handling dead or live scorpionfish species

It is important to note that having a risk factor does not mean that one will get the condition. A risk factor increases ones chances of getting a condition compared to an individual without the risk factors. Some risk factors are more important than others.

Also, not having a risk factor does not mean that an individual will not get the condition. It is always important to discuss the effect of risk factors with your healthcare provider.

What are the Causes of Scorpionfish Sting? (Etiology)

  • Scorpionfish Stings release a poisonous chemical into the human skin through their spine, which can affect the human body
  • Depending on the amount of poison injected, the severity of the signs and symptoms is dictated

What are the Signs and Symptoms of Scorpionfish Sting?

The severity of signs and symptoms of Scorpionfish Sting depends on the following factors:

  • The type or species of scorpionfish
  • The amount of toxin injected
  • The reaction of the human body to the toxin

The signs and symptoms of Scorpionfish Sting may be mild or severe and may include:

  • Severe stinging pain lasting for several hours
  • Rashes on the skin (red-colored welts), bruising
  • Swelling of the wound
  • Blister formation
  • Headaches
  • Abnormal heart rate, reduced blood pressure
  • Allergic shock or reaction, in some cases
  • Shortness of breath; breathing difficulties
  • Muscle cramps, abdominal cramps
  • Nausea, vomiting, and diarrhea
  • Severe fatigue
  • Unconsciousness

How is Scorpionfish Sting Diagnosed?

A Scorpionfish Sting is diagnosed through the following tools:

  • A physical examination of the affected site by the physician is normally sufficient to diagnose the condition
  • In addition, the symptoms exhibited by the individual may be carefully observed
  • The individual may be asked to provide an account (history) of the events that occurred (what took place and how)
  • Blood tests consisting of complete blood count (CBC) and electrolytes

Many clinical conditions may have similar signs and symptoms. Your healthcare provider may perform additional tests to rule out other clinical conditions to arrive at a definitive diagnosis.

What are the possible Complications of Scorpionfish Sting?

The complications that may arise from a Scorpionfish Sting may include:

  • Bleeding and skin ulceration can cause secondary bacterial or fungal infections to develop
  • Anaphylaxis type allergic reaction
  • Respiratory distress
  • Reduced heart rate
  • Delirium and shock
  • Paralysis

Scorpionfish Stings are known to result in fatalities.

How is Scorpionfish Sting Treated?

The treatment measures for Scorpionfish Sting may include:

  • The first line of treatment is often to remove the stingers/spines by gently pulling them out with a pair of tweezers; breaking the spines must be avoided
  • The use of very hot water can help reduce the potency of the venom, and hence, the wound is soaked for up to an hour in hot water. This can also help reduce the pain intensity
  • Once the spines are removed, the affected area is washed with soap and fresh water
  • The wound is left uncovered to heal
  • Topical antiseptics may help prevent wound infection
  • Pain relieving medications (acetaminophen) as required
  • Tetanus vaccination is usually required, if it is not up to date
  • In case of severe stings, it could be a medical emergency and prompt attention has to be provided. The treatment measures may include:
    • CPR may be provided as necessary, breathing assistance
    • Stabilizing the blood pressure
    • Pain control medications, steroids
  • Proper follow-up care and check-ups may be required, especially to monitor for any signs of infection

Note: It is always important to call the local emergency helpline number (911 in the US) without any delay.

How can Scorpionfish Sting be Prevented?

The following factors may be considered to reduce the incidence of Scorpionfish Stings:

  • Do not ignore warnings of lifeguards or health officials at the beach
  • Avoid making an attempt to touch or handle marine animals unnecessarily
  • Wear protective clothing if you plan to swim or dive in infested areas (suitable wet skin or diver’s suit)
  • Generally be aware or watchful of the waters you are in (to the extent possible)
  • Wear protective footwear while walking on beach sand
  • When removing stingers from the body, wear suitable protective cover (such as hand gloves); avoid removing the sting with bare hands
  • Avoid rubbing the stung area with bare (unprotected) hands
  • Ensure safety precautions while cleaning marine animal aquariums; wear gloves
  • Marine life explorers and sea adventurers are required to carry marine first aid kit

Note: Currently, there is no anti-venom available for Scorpionfish Stings.

What is the Prognosis of Scorpionfish Sting? (Outcomes/Resolutions)

  • The prognosis of Scorpionfish Sting is generally good with effective treatment, since a majority of the cases are mild
  • However, severe stings combined with delayed treatment may be life-threatening or can even result in death

Additional and Relevant Useful Information for Scorpionfish Sting:

The scorpionfish, lionfish, and stonefish are grouped under the same biological family of Scorpaenidae.

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Maulik P. Purohit MD MPH picture
Approved by

Maulik P. Purohit MD MPH

Assistant Medical Director, Medical Editorial Board, DoveMed Team

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