It sounds like Raynaud's syndrome to me. It is a manifestation that can be drug-induced. I would discuss that with your GI and see if he wants to do a few tests to make sure you are not dealing with drug-induced lupus. Don't be too worried about it but it definitively needs to be mentioned and investigated. Do you have any other symptoms that differs from your prior humira usage: joints pain, dry patches of skin, swollen and hot joints(especially fingers and toes), butterfly rash on your cheeks?