a few months back from my knees to ankles my legs were burning and turn a strange brownish, it last a few hours and cleared,, but i have been having a burnign senation on my skin moving throughout my body ever since. when i told my doctor he said he never heard of such a thing and wanted to put me on antidepressants. i am not depressed just concerned that strange things are happening to me. has anyone else had these thing happen??