Immediate skin rashes,flushing,urticaria pruritus,rhinorrhea,nausea,short retching,and/or vomiting,coughing, and vertigo are symptoms of mild hypersensitivity reactions.Recognizing the type of contrast reaction is crucial to treating it.Rapid recognition of the signs and symptoms of a contrast response allows radiology personnel to quickly determine the type of reaction, allowing for faster treatment and reversal.