Generally may be discharged
Consider admission for:
Symptoms of moderate or severe envenomation
Pregnant women
Children
Preexisting cardiovascular disease or hypertension
Symptoms of moderate or severe envenomation
Pregnant women
Children
Preexisting cardiovascular disease or hypertension
Black widow spider bite
Hymenoptera stings 
Octopus bite
Mammalian bites
Armed spider bite
Closed fist infection 
Funnel-web spider bite
Dog bite