I've Had A What I Think Is A Yeast Infection

I've had a what i think is a yeast infection for three weeks now and for about 5 days I've beetn using daktarin and the white rash has disappeared but today i noticed it has come back again and the itching is back plus my puter labia are very red like the skin was peeled off.. what should i do .. it itchs and hurts when i walk for a while .. my mother said to use elica m .. should i?