Suggest Remedy For Smelly White Discharge From Vagina

hi i am minjie,
i just finish my period 1week ago when me and my husband have a sex.. after that 2 days ago when i got home and go to the bath room i wash my vagina and i feel that my whitemens going out and then i put my 1 finger inside my vigina and when i take it out it looks like a melted tissue and its yellowish but the smell is still the same.. do i have any infections? and what medicine i am going to take?