I believe I have come down with psoriasis in my scalp. This is spreading to other parts of my body. Under my breast I had an awful rash which look like it whelps and it itched. I also have some form of arthritis which causes neck pain and back pain. I have little knots on my fingers from the arthritis. So my question is once I saw a regular MD on the psoriasis and got scalp treatment and ointment I was referred to a rheumatoid specialist. Just want to know if this is the correct route to go or should I see dermatologist first?