Hi. It could be that your HRT dose was too high, or just the wrong brand. Some women, myself included, are just very sensitive to hrt. I ended up on 1/4 of an evorel 25 patch in the end. This did manage most of my symptoms.
I decided to come off it altogether, but had to have 2 goes at this due to the headaches when I did so. In the end, the headaches lasted about 3 weeks, which was pretty rubbish.
I concur with CLKD's suggestion of getting better menopause advice asap, as antidepressants are not recommended as a menopause treatment now.
What patch and dose were you on? I just started cutting down my patches. When I told my GP, she was fine with this. 'What ever works for you?' Perhaps you could cut the patch into a v small dose for now until you get a better option, or as you said, get a GP to prescribe grl, so you can start with a lower dose of that and work your way up.