For several months, I've had several instances where I've had what looks like a rash across my cheeks and the bridge of my nose. I usually don't feel anything different and only notice it if I look in the mirror, or if someone comments that I look flushed. It seems to appear spontaneously, and doesn't last long. The pattern reminds me of the malar rash seen in lupus, but I didn't think that particular rash comes and goes that quickly. Is that truly the case? What other things may look similar?