What Could Cause Recurring Vaginal Discharge And Itching Despite Treatment With Ecoflora, Clingen Forte, Fluconazole, And FAS-3 Kit?

Hello dr. I m 35 yrs old last yr dec 21 I hv got vaginal dischrge like candida or mixed infection. I consult many dr. But no relief. Every month same problem itching then white dischrge then yellow aftr that thik dicharge.my dr. Suggest me ecoflora for 3 months and eva news tablet use after periods n before peried clingen forte.i have take t flucon for every week for 1 month. Fas 3 kit take 2 times me n my husband.last 3 months i hv no relation with m husband. 2 months hv completed in this treatment but no relief.pls suggest me what is the reason.i hv always wear loose n cotton clothes n underwear.