What do i do for a red wasp sting?

Maybe nothing: Unless you are allergic to it, often a sting from a wasp will only cause some imediate local pain. Infection arising from a simple sting is quite rare. So, if it is not hurting/swelling, do nothing. If some redness, try some calamide/caladryl lotion. If really swollen, red, painful after 2-3 days, consult doc. Good luck.

Allergic or not?: Remove stinger by scraping along edge of skin with a credit card. Clean area with soap & warm water. Apply ice in 10 minute increments; alternating 10 on & 10 off. Try a bag of cold peas. You can take meds like tylenol, (acetaminophen) Aspirin or Motrin for pain or Benadryl for swelling. Make a paste of 2 parts baking soda & 1 part water & apply. Throat, airway or tongue swelling – call 911.