My Son is a 12 year old  He got nail problem in the year 2006 after that we showed doctor in India but there was no much improvement (that time we were in India Hyderabad)  We came to uk in jan-11 and after reaching here he got some white patches on his face which we showed to doctor and got medicine was not effective  After that we went to India for two month there his Eye brow hair falls started we did not taken the problem serious.  Again we came back to uk in Aug -11 end and his eye brow hair fall increased more and he lost half of his  one side eyebrow hair also white patches increased We showed in UK dermalogist and she said it is a Alopecia areata but not very serous even hair has already started re growing and there is no link of white patches with this problem.  She has prescribe a cream Elocon and  another cream Exorex for white patches which we applying same as well but even hair fall more after using same(Earlier we apply castor oil which we felt was given some improvement so we continued that as well) when I spoke to doctor here she said it is not because of cream and she can give some more strong storied cream .  Now I need your help as I am not able to get confidence of doctor here My query is  01.Is this problem is curable? 02.If yes How?

Summarized question: Is alopecia areata curable?