Clean wound, update tetanus, remove retained tissue
One fifth of wounds develop local infection, but prophylactic antibiotics remain controversial 
Immerse extremity in hot water (45 C) for 30-60 minutes
Lionfish envenomation
Toxins
Stonefish envenomation
Ciguatera
Scorpion envenomation
Scombroid
Fire coral envenomation
Tetrodotoxin 