So stop using the Fluconazole if it isn't working.
Get 2 pots of Greek LIVE yoghurt - 1 to eat which will cleanse the digestive system from top to bottom: a large spoonful several times a day. As well as applying internally ..... which will be soothing if nowt else. Obviously keep the two pots separate ;-). Any ABs or long-term treatment can destroy any good bacteria which can cause a general feeling of malaise.
At the end of each period I would have intense itching too high up in the vagina to scratch. Normal for me . I had thrush proper after stopping The Pill ....... a pessary from the Gynae Registrar sorted it.
U may have vaginal atrophy - as oestrogen levels drop the body may become dry: inside and out; skin, between the toes, deep in the ears, nostrils, eyes, vagina ......
Let us know how you get on at the appt.. Make a list of queries to take with you and do discuss vaginal atrophy!