Dendrolimus (Caterpillar) Dermatitis

Dendrolimus (caterpillar) dermatitis is irritant/urticarial eruption from contact with pine caterpillar (Dendrolimus) setae, presenting with pruritic papules/weals/vesicles on exposed skin, possible arthralgia/systemic toxicity. Treatment: remove setae with tape/wax; cool compresses; topical corticosteroids; oral antihistamines; NSAIDs for arthralgia; systemic steroids if severe; monitor for anaphylaxis/ocular/respiratory exposure; follow-up.

Common Symptoms

Pruritic papules/weals/vesicles; exposed skin; by caterpillar hairs

Causes and Pathogenesis

Caterpillar setae toxins cause irritant/allergic dermatitis.

Treatment

Remove setae; cool compresses; topical steroids; antihistamines

Preventive Measures

Avoid contact with caterpillars/nests; protective clothing.

Department to Visit

It is recommended to visit the Dermatology/Emergency 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.