Jellyfish, Coral, Man-of-War, Anemones
Stinging cells eject a poison whip-like hair when touched. Rubbing the tentacles causes more nematocysts to sting.
Red welts & pain.
Shock, vomiting, diarrhea, headache, muscle spasms, chest or abdominal pain, chills.
NEVER RUB. Rinse with sea water (NOT fresh water), vinegar or alcohol. Fix remaining tentacles with shaving cream, flour, talc. Scrape matter off with a dull knife.