I have been experiencing bodily hive breakouts unlike anything I have had before. My hives used to be limited to my face, neck, arms and chest. Now, they are appearing all over my back, sides, legs, stomach, etc. The frequency has increased as well as the actual size of the patches and the size of the formations. My latest breakout appeared exclusively on my inner thighs. What might this be related to? A simple dose of Benadryl or Benadryl Gel has alleviated the symptoms but I am curious about the reason for the onset. Thank you for your time!