Thanks for the query to hcm.
You took fluconazole
150 mg with antifungus cream ( monistate) . Also took metrogyl
for anaerobic infection.
Still no relief means not a fungal infection
,not an anaerobic infection.
As you mentioned that cut is below labia ?
It is inside vaginal part or below on the perineum
or side of perineum , please mention in detail so that exact diagnosis can be estimated.
Still you mentioned that there is a cut so cut may be due to scratching due to itching .
In my opinion consult another gynecologist and get his opinion.