I HAVE HENOCH-sCHONLEIN I Hve Had This For Over A

I HAVE hENOCH-sCHONLEIN I Hve had this for over a year on my lower legs and ankles and feet, saw dermotligstst for it she gave a sauve to put ondaily for 1 week and then skip another weeklh told me to discontinuation. what should I do and to what Doctor....