Move away from the wasp to avoid more stings
Remove any visible stinger if present
Wash the sting site with soap and water
Apply a cold pack or ice wrapped in cloth for 10 to 15 minutes
Elevate the area if it is on an arm or leg
Take an oral antihistamine for itching if needed
Use hydrocortisone cream or calamine lotion for itching
Take acetaminophen or ibuprofen for pain if needed
Avoid scratching the area
Monitor for signs of a severe allergic reaction
Call emergency services immediately if there is trouble breathing, swelling of the face or throat, dizziness, fainting, or widespread hives
Seek medical care if the sting is in the mouth, nose, or throat
Seek medical care if swelling or pain worsens or does not improve
Seek medical care if signs of infection develop such as increasing redness, warmth, pus, or fever
Use an epinephrine auto-injector immediately if prescribed for severe allergy