i've been gifted with a rather persistent infection. over the past month, i've tried like four medicines that havent worked in the end

im currently taking gynophilus which are vaginal capsules that are supposed to restore your flora and put things in balance, but i think im doing it wrong?

for some reason i decided to do 1 daily for two weeks rather than 2 a day for 7 days and im scared if itll work. my period's supposed to come soon so i'd have to stop treatment until its over.
also, this medicine is the only one thats worked so far but its effects are weakening and im on the second week of it if that helps.

basically, i just don't know what i should do? the infection isnt completely gone yet and i havent got enough medicine to properly restart again, and it's harder to get hold of than other medicines.