Frustrated, Troubled, Confused, Etc. Etc. Etc.

I'll warn everyone right now-don't bother reading this if you expect my usual on top of the world type ramblings.  I'm afraid I'm going to do some whining here - please forgive me everyone!!!!  It bothers me greatly to do this.
I just can't seem to get ahead of the game healthwise.   The last 2 wks I started getting the odd vasculitis rash outbreak.  I didn't panic right away because I thought it was a reaction to a diff laundry detergent.  Found out that wasn't the case.  I also started experiencing muscle and/or joint pain every day which still goes on.   This usually starts though by abt 5 p.m. or so.  I did & still do wonder abt the weather in this.  My dry mouth comes & goes but, again, I didn't think too much of it because it's something that, with me, always does come & go a bit. 
My rash is now all over the bottom of my legs (between my knees & ankles) & as of yesterday on the palms of my hands too.  It's so darn itchy I swear I'll be scratching all my skin off.
I was doing so #$)%(*#$)%* good for so long.  It's like what the #$@$@$@ has gone wrong all of a sudden.  To boot the soonest opening my rheumy has is March 21st.  I'm on a cancellation list so well who knows.
I'm so frustrated, angry & anything else I can think of.  I'm really trying to regroup here, refocus, put the grump sack me back where she belongs-well hidden.
Anyone have good ideas of what I can do for the itch, any good products anyone has tried.  I've got a Cortisone cream but it doesn't really help a lot.
Well whoever was brave enough to read this all, I so love you & appreciate you for that.