Treatment requires bursectomy. Fish handler's disease is caused by Erysipelothrix rhusiopahiae, a gram-positive, facultatively aerobic bacillus. It occurs mostly in the coastal United States where crabs are handled, with the most frequent reaction being a dermatitis. A hallmark lesion can appear within one to seven days after a puncture wound. Finally, there are jellyfish.
Children play in shallow waters where the jellyfish tend to stay.
These creatures have millions of microscopic stinging cells called nematocysts that inject toxins to capture and paralyze prey as well as to defend themselves. He added that sometimes it is possible to identify the culprit jellyfish by the pattern of the sting. The Box jellyfish are dangerous, as the lesions become necrotic and some children have died within minutes after being stung. There are two different kinds of reactions to jellyfish stings. The local reaction can occasionally cause angio edema, fat atrophy or gangrene.