Dry patches on skin. What should i do?

Hi I have got dry patches on my breasts, inner thighs and stomach areas.They start as small red spots and then they get bigger & the skin got flaky and cigrette paper like. At first my dermatologist treated me with corticosteroids and it got bigger and that 2 to 3 patches become many patches.Then doctor said it was a fungal infection and gave me fluconazole once a week for 4 weeks and amorolfine for one month.But i was getting new patches & thought of getting a second opinion.The new doc gave me luliconazole & eberconazole ointment and abzorb powder. She told me to do a KOH mount test, Which said " No fungus or fungal elements seen in KOH wet mount preperation. Seeing the report doctor prescribed me Itraconazole twice a day for 3 weeks with the other ointments. Should I go with this treatment?Why am i treated for fungal infection although KOH test came negative. I am a little worried as I don't understand this.Also i will leave india in one month. What should I do?