Allergies, which are essentially defects in the imune system, can exhibit
themselves in a broad manner.  I have seen mosquito bites swell up to the
size of a silver dollar on people that have incredibly poor immune
systems.  However, they were never effected by apis stings.  If benedryl
helps then it is an allergic reaction.
 
Brian K. Cooley
Environmental Consulting & Biological Services
1899 El Centro Drive
Columbia, Missouri 65201
email:  [log in to unmask]
phone:  314-474-3941