Caterpillar dermatitis refers to an acute inflammatory skin reaction caused by the venom released from the poisonous hairs of caterpillars after they puncture the skin. In China, common pathogenic caterpillars include the mulberry caterpillar, pine leaf caterpillar, and stinging caterpillar.

bubble_chart Etiology

Disease cause: Caterpillar dermatitis This condition often occurs in people who relax or play under trees, and is more common during hot summers. There is usually a history of caterpillar contact shortly before the onset of symptoms.

bubble_chart Clinical Manifestations

It is commonly seen on the face and neck. The lesions often present as edematous erythema, wheals, or large areas of edema, sometimes with blisters or bullae, usually solitary or in small patches. There is intense pain, and the late stage [third stage] is often accompanied by cutaneous pruritus.

bubble_chart Treatment Measures

Treatment involves topical application of pain-relieving and itch-relieving agents. Repeatedly apply adhesive tape to the affected area to remove the venomous hairs.