Hello, it’s Norman Swan here. If you get stung by a blue bottle and when you come out of the water, you’ve gotta try and get rid of the stings, not with your hand, but you can maybe use a towel.
Obviously you won’t have a glove with you. Don’t use vinegar, and if there’s hot water nearby, unlikely, you can immerse it in hot water. That does help.
Otherwise, just wash it well with seawater.
Dr Norman Swan, Physician and Journalist