Firstly, welcome.
2ndly, is there a personal or physical reason for not taking HRT?
3rdly well done on the Consultant - did he/she not discuss alternatives prior to surgery?
Feet up, browse round. Make notes ;-)
When I took tamoxifen I was very cold within 12 hours, thought I had a dose of 'flu
![Shocked :o](https://www.menopausematters.co.uk/forum/Smileys/extended/shocked.gif)
so it was hormonal, maybe give the Consultant's Secretary a ring and ask? Have you been offered a specific support Nurse after surgery?
Headaches can be caused by the body behind dehydrated so make sure that you drink enough. Your body may well be in shock!