How long have you had cfs/ME? The thing about these conditions is that they are a syndrome of symptoms which may have multiple causes - some unkown but others post-viral, low thyroid function, low oestrogen low testosterone - but most doctors do not recognise this eg my doc wanted to test me for fibromyalgia due to muscle aches and pains and I asked about testosterone. She poo-pooed this but I did go privately and now take it (T) and my problems were alleviated. Some docs refuse to give these diagnoses (CFS etc) and rather, investigate and treat with other hormones as above. There have been women on here who have been told they have CFS but then have been given hormones and the CFS has disappeared.
Therefore your idea of not taking anything because you want to avoid medication - may actually be the opposite thing that you need to do ie taking some sort of hormones, may well cure your symptoms - depending on the cause.
Firstly have you had thyroid testing - the whole lot - and have you seen your results? I am not a thyroid expert but I know some of the tests that are carried out may not give the whole picture. Also if you have had low oestrogen for that length of time this will most likely be exacerbating any symptoms due to other causes. Low oestrogen is associated with fatigue, low mood, muscle aches, joint aches etc as well as the obvious flushes and sweats. The hot flushes may well be worsening now because you are well into menopause and your oestrogen levels dropped considerably. Adding this in the form of HRT will help with this and temperature control ( also this going awry and often feeling cold is also a sign of underactive thyroid especially if you have a tendency to put on weight).
Sounds like you have the right attitude and trying to keep healthy!
In your position I would skip the herbal treatment - you need oestrogen! Please read all you can about HRT and the menopause on this website and if you decide you want to try it - then we can help you decide and it's best to be well informed before that doctor's visit. Better to start sooner than later....Heavens - you don't want to be fatigued and not living life to the full for the next 30-40 years!! This could be a turning point for you.....
Hope this helps but do ask if you need any more advice
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Hurdity x