Yellow jacket allergy can be life threatening.
Prednisone is a valuable medication for many serious conditions, but prednisone side effects can be serious, including sepsis and psychological reactions.
Some people have a mango skin allergy that results in an itchy rash similar to poison ivy. That is because mango skin contains urushiol, the offending agent.
Wasp sting was nearly fatal and requires future actions to prevent anaphylactic reaction.