How Can Eczema Allergy With A Black Mark Be Treated?

hi am ancy, am 32 yr old, i have eczema allergy from past 25 yrs, i had been gone for homeopathy treatment it relax, again it start during the weather changes, recently i got allergy due to bathroom infection and i was not able to wear pantees, after i met a doctor she gave a cream name skintop, allergy gone but the black mark remains, my marriage is also fixed after 2 months, and i feel very ugly in that place and am scared too, pls give any suggestions for this allergy and black mark too.