Firstly, the nature of the disease of the white patches of skin should be clarified.
If it is vitiligo one can opt for topical application of calcium-regulated phosphatase inhibitors such as: tacrolimus cream, pimecrolimus cream, etc.
If it is a fungal infectious disease it can be treated with antifungal medication such as: terbinafine hydrochloride tablets tablets, itraconazole capsules, amorolfine rub.