Minnie, it may well be. However, I wouldn't just unthinkingly accept that explanation...
Low estrogen can cause so many seemingly unrelated things. I had dry eyes for years, from about the age of 38. My optician diagnosed them and said it might mean I couldn't wear contacts anymore if it got any worse. My eyes would try to compensate by watering sometimes and I'd then have streaming eyes which would go on all day and could make wearing any kind of make-up impossible. It really got me down. Of course hormones didn't occur to me as a possible cause...
Having started HRT a few years ago, my eyes are no longer dry. They no longer water.
I've also had wear back/shoulder pain for years. Twinges and tweaks. Again - all gone, since being on enough HRT.
Which is all to say... If you develop ANY NEW PHYSICAL SYMPTOMS at all from the age of late 30s onwards, they are very likely caused by low E. Of course, if you've had the back pain or whatever before that, then it might not be... But don't just take dismissive responses from GPs as definitive diagnoses. GPs really know nothing about the havoc hormones can cause - especially if they are men, IMO!
