It’s very important to put gloves on before removing the stingers. If you don’t, you could sting yourself again. If you’re having trouble removing the stingers by hand, use tweezers instead.
If you have glaucoma or prostate issues, talk to a doctor before taking antihistamines.
You should also stay away from rinsing with alcohol or ethanol, since those can make your pain worse.
Siphonophores are closely related to jellyfish, which is why they look so similar.