Welcome to HCM.
Itching,burning suggest fungal as well as bacterial infection (mix infection).
You have to go for CBC,FBS,PPBS,PAP smear, USG abdomen to confirm the diagnosis.
Start treatment accordingly.
Antibiotic like oflox/levoflox/ornidazole,azithromycin
,cefixime anti fungal like Fluconazole
150mg will be helpful.Local treatment of Clindamycin
,miconazole vaginal tab will be helpful.Take levocetrizine to subside itching.
Avoid sex till get complete cure.If it is recurrent than your husband should take all these treatment.
Take proper local care,use medicated soap to clean.
Consult your gynecologist for better guidance and medical management.