Hello I have rash that started in the groin area, that has spread to under my arms they are like hives more so than rash they dry and dry skin forms over them I have RA and have been on meds my dr. stopped them on Tues this week I have been taking predizone since November I also have been putting Lotromin cream all over I think its spreading what should I do they sometimes are itchy, should I see my dermotoligist my RA dr said I should make an apt with them if it doesnt clear in 2 weeks she didn't know what it might be. I am female 40 year old