Suggest Treatment For Vaginal Thrush

Hello I have a problem in the nine months to suffer with vaginal thrush. For several months, nothing come back every two months. now every month to return with more. I have been to the doctor began to swab inside three results was good. I prescribe pills for vaginal thrush. already very tired no longer know what to do or maybe something wrong in the womb because we are trying to have a child with a partner but still comes back thrush. what can you advise?