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Image Number 2285 (Paederus dermatitis)


Diagnosis: Paederus dermatitis

Site: Neck side

Sex: M

Age: 28


Description: Erythematous vesiculopustular eruption associated with central necrosis

Submitted by: Shahbaz Janjua

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Differential Diagnosis


Paederus dermatitis, a type of irritant contact dermatitis is caused by Staphylinid beetle. The beetle does not bite or sting, but when crushed against the skin it releases a potent toxin known as pederin that results in itching, burning, erythema,  vesiculation and oozing.    Paederus dermatitis occurs predominantly on exposed parts of the body.

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