Treatment for Scorpion Stings

Initial Assessment and Management

• The American Heart Association recommends that emergency services should be called immediately if the person develops systemic symptoms such as difficulty breathing, muscle rigidity, dizziness, or confusion 1, 2
• Medical care should be sought if pain extends beyond the sting site, becomes severe, is not controlled by over-the-counter pain medications, if an open wound develops, or if systemic symptoms appear 3, 4
• Most scorpion stings in North America cause only local symptoms, but severe local and systemic symptoms can occur, especially with bark scorpion (Centruroides) stings 3, 2

First Aid Pain Management

• Over-the-counter acetaminophen and nonsteroidal anti-inflammatory drugs (NSAIDs) are recommended to alleviate local pain from scorpion stings 3, 4
• Topical lidocaine (5%) can be applied if the skin is intact, which has shown significant pain reduction in clinical studies 3, 4
• Ice application to the sting site is useful for local pain relief 3, 4

Follow-up Care

• Most patients with local symptoms only will recover completely within 24-48 hours 3
• Continued pain management with over-the-counter medications may be needed for several days 3, 4
• Any signs of secondary infection at the sting site require prompt medical attention 3

Management of Scorpion Stings

Initial Assessment and Treatment

• The American Academy of Allergy, Asthma, and Immunology notes that oral corticosteroids are sometimes used for large local reactions to insect stings, but definitive proof of efficacy through controlled studies is lacking, and does not specifically recommend them for scorpion stings 5
• Assuming antibiotics are needed for swelling around the sting site is incorrect, as swelling is typically caused by mediator release, not infection, according to the American Academy of Allergy, Asthma, and Immunology 5

Antibiotic Management for Scorpion Stings

Evidence Against Routine Antibiotic Use

• Universal prophylaxis with antibiotics is not recommended for bite wounds in general, according to the World Health Organization guidelines, as stated by the World Journal of Emergency Surgery 6

When Antibiotics May Be Considered

• Signs of infection requiring medical attention include progressive erythema extending beyond the initial sting site, as recommended by the World Health Organization, based on guidelines from the World Journal of Emergency Surgery 6
• Signs of infection requiring medical attention include purulent discharge, as recommended by the World Health Organization, based on guidelines from the World Journal of Emergency Surgery 6
• Signs of infection requiring medical attention include systemic signs of infection, such as fever or elevated white blood cell count, as recommended by the World Health Organization, based on guidelines from the World Journal of Emergency Surgery 6

Management of Scorpion Bites

Initial Assessment and First Aid

• Thoroughly irrigate the wound with copious amounts of water to clean the area, as recommended by the American Heart Association, based on evidence from Circulation 7

Common Pitfalls to Avoid

• Do not apply suction to the sting site, as recommended by the American Heart Association, based on evidence for snakebites but is generally applicable to other venomous bites/stings, according to Circulation 7

Management of Scorpion Stings

Assessment and Treatment

• The American Heart Association does not mention prazosin in current guidelines for scorpion sting management, indicating that prazosin is not a standard first-line therapy 8

Antivenom Administration

• Antivenom should be administered for severe systemic envenomation, particularly in pediatric patients who are at higher risk, with severe systemic symptoms including cardiovascular or respiratory compromise 8

Scorpion Sting Management in Special Populations

Considerations for Elderly and Those with Comorbidities

• Patients with hypertension, cardiac arrhythmias, or those on β-adrenergic blocking agents require special attention but have no contraindication to epinephrine if anaphylaxis develops, according to the American Academy of Allergy, Asthma, and Immunology 9

Contraindicated First‑Aid Measures for Scorpion Stings

Suction Therapy

• The application of suction devices to a scorpion‑sting site is ineffective and may cause additional harm; therefore it should not be performed. 10

Tourniquets and Pressure‑Immobilization Bandages

• The use of tourniquets or pressure‑immobilization bandages is not recommended for scorpion stings, as they can worsen tissue injury and are not supported by current evidence for North American scorpion envenomation. 11