Physical Reactions?

The past couple of days I've been trying to focus on good things in my life, instead of allowing the traumas of the past to overwhelm me.  My husband is out of town on a business trip and so all of the parenting and household responsibilities fall onto me.  The kids need me even more.  I have a song that keeps going through my head - Jar of Hearts.  I need to replace it but I wake up with the song in my mind and it's constantly battling for supremacy in my conscious thoughts.  I don't want to think of sad songs anymore.  I need to have good thoughts.I wonder if I'm having a post-discovery reaction to the whereabouts of DD?  My chest, neck, and upper back have  broken out into an eczema type rash with itchy little pimples.  It is spreading to my chin and around my mouth, but it's worst on my chest.  I took a Benadryl earlier which only served to make me sleepy (computer light makes me sleepy as it is), but my son has therapy today so I have to stay awake.Could this rashy/pimply breakout be a reaction to the info I found about DD? Or is it a medicinal reaction -- I just took Diflucan for another yeast infection.  I've never had this happen before and I've taken Diflucan before as well as all of the other meds I'm on.  I decided I am not going to do malicious things to DD. I would like him to burn in hell-fire but that's not for me to decide.  I'm just going to take care of my kids and get the sugar out of my house this weekend so I can go full throttle on low-carb.  I will feel better.  I know it.  I just have to get prepared and not be afraid.Thanks for reading.  Comments are appreciated.
dea