Stung by a bee or hornet. 24 hours later it is very swollen, red and itchy. No breathing troubles. Used charcoal poultice, ice, onion slice, benadryl (diphenhydramine).

Insect sting. Make sure the stinger is no longer present in the bite. Hornet bites usually causes a more pronounced reaction than bee stings. You might also apply Hydrocortisone to the bite for relief.
Remove stinger ASAP. By scraping along edge of skin w credit card. Clean area w soap ; warm water. Apply ice in 10 min. Increments (10 on/10 off). Can try tylenol, (acetaminophen) Aspirin or Motrin for pain or Benadryl for swelling. Make paste of 2 parts baking soda ; 1 part water ; apply. Need tetanus shot every 10 years. Throat, airway, mouth swelling or difficulty breathing? Call 911! ** hornets stingers do not have barbs so they.