I don’t think a break from HRT will cause you problems long term. From my own experience, I have taken breaks to try to ascertain what are my symptoms and what are the side effects from the HRT. I don’t really see any other way of finding out if the HRT is causing your hair shedding. I’ve always been a ‘shedder’ and have found certain regimes have made it worse.
Just as a slight aside, what I have found has helped is yoga. I know this sounds strange but I think it must be that some poses allow the blood flow to go to your head and this appears to help with shedding and also hair regrowth. At the very beginning of lockdown, when I had to give my classes up, I was doing short practices at home every day and I found a great improvement over a period of time. Something to consider perhaps 😊
Rosie63 x