REACTIONS

_IMMEDIATE:_ Usually no sensation, occasionally mild pain

_LOCAL:_ (Four distinct reactions depending on degree of sensitivity):

1. Papule with a central punctum

2. Small vesicles grouped around bite site with swelling and little

redness

3. Giant urticarial lesion with central punctum and surrounding brawny

edema

4. Hemorrhagic nodular-to-bullous lesions on hands and feet—the

characteristic “kissing bug bites”

_ANAPHYLACTIC SHOCK:_ Rare, but reported

_DEATHS:_ None reported

Venomous arthropod handbook · 第 53 / 71 题