After being stung, immediately apply a poultice of meat tenerizer to the ound. If the sting is not deep, this will break down the components of the sting fluid which reduces the pain.
A commercial preparation such as a sting kill swab can be used. Antihistamine ointments and tablets taken orally appear effective in reducing sting reactions. Persons highly sensitive to stings whould consider a desensitization program in an allergy clinic.
Hypersensitive pesons should never be alone when outdoors at the peak season of wasp and hornet activity. If stung, help may be needed to start prompt emergency treatment measures.