My hands tend to go purple.My ears do go red and warm.and my cheeks and forehead flush and perspire.

I know you must be reading online. It is called neuropathy.
I hope I spelled it correctly. Feet and Hands it happens all the time.
Mickey

Maybe Raynauds, ask you doctor. I am so sorry!

Raynauds phenomena? fingers hand turn white, red, blueish often this is how people are diagnosed with autoimmune disorder. Cold weather can bring this on or sometimes out of nowhere.

I think it's called palmar erythema for the palm thing. If it happens to ears too that might have something to do with histamine. My other guess would be red blood cell related. I've had this after infusions, I'm not sure if I've had it before infusions.