Do as much research on here regarding Vaginal Atrophy and the treatments given to women who have this condition, once diagnosed treatment is for life, full stop!
Compose a letter to your health authority and mention the fact you are being denied treatment for Vaginal Atrophy, a well known condition.
Vaginal Atrophy is so well known now, its available to buy over the counter, but at a cost.
One thing I have found is if you don't fight your corner, no one else will and the majority of us are able to get this treatment without argument or fuss.
I am assuming you are in the UK, if so your surgery should be ashamed at how little they know about Vaginal Atrophy, an extremely chronic and painful condition if left untreated, and I repeat, its for life!