Further update. Went for my review today, ready to do battle about systemic and local estrogen, armed with NICE guidelines.
Told lovely nice gp that Femoston working well - no depression or anxiety. Boobs only slightly sensitive, occasional rare flush, bloating and digestion problems gone but VA problems had gone backwards (to be expected really as I had halved the estrogen). Explained to her great if found an old forgotten Estring at t the end of March and had put that into the equation.
"Oh yes" she said, "that's fine to use both".
Brilliant! No need to pull out the Nice guidelines, she wrote me a prescription for 6 months worth of Femoston and Estring. I love this lady.
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