I used to take medications for it it seemed like go away, but after about week since i stopped its back again is it supposed to be like that or it can be cured once forever?

hi girls!!!!
i am now before my period and i see white discharge and a little burning in my vaginal (burning is like when we bath and wash our vaginal with soap and we feel a little burning ) i don`t have any itching
is it normal ? and if i don`t cure yeast infection what will be happen in the future?????
thank and excuse me for my bad grammer !