hi i was suffering from an itching problem more than 4 years, I have been in medication since then for all these years.It was told as a kind of eczema but even doing test by various doctors coulnt identify what it was, exactly even after doing an biopsy. my skin is having a dark patch around my chest around 3 cm radius,it s dark generally, it gives iretation and itching, while i itch it becomes thicker and comes out lke small biols, and later on when i apply medicine(propysalic) water comes out of it, i have been doing this for almost 2 years with same kind of tablets and oilments, still the same thing is there though it has reduced its infection when it started. I am confused whether how long it could take? or can i try other methods like ayurvedic, or doing some skin operation for removing it.