Paederus Dermatitis

Paederus dermatitis is irritant contact dermatitis from crushing rove beetle (Paederus) on skin, presenting with linear erythematous vesiculobullous streaks on exposed skin (face/neck/arms). Treatment: gentle washing immediately after exposure; cool compresses; topical corticosteroids; oral antihistamines for pruritus; topical antibiotics if secondarily infected; do not crush beetle on skin; follow-up.

Common Symptoms

Linear erythematous vesiculobullous streaks; exposed skin; by beetle

Causes and Pathogenesis

Paederin toxin from crushed beetle causes irritant dermatitis.

Treatment

Wash; cool compresses; topical steroids; antihistamines

Preventive Measures

Avoid crushing beetles; shake clothing/towels outdoors.

Department to Visit

It is recommended to visit the Dermatology department; an appointment can be booked on this platform before the visit.

Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.