Hi melissa....To be very honest, my malar rash varies with how active my lupus is...I would let my doctor know about it. They may want to run tests to see if the lupus is trying to become active again (which I hope not).
They will probably want to check your c3 and c4 levels, your sed rate, c reactive protein and a few others to play it safe. I'd also let them know if you have any new symptoms *or* if you feel fine.
I will be very honest; I have gone to bed and woke up without rash. I find that happens after a very stressful, long day. Maybe you did too much over the holidays and your body just needed sleep? I have done that.
I hope this helps...Lots of hugs,
ladybrannon