Hi Nic and welcome to the BCC forums
I am sure your fellow users will be along with support and information for you shortly, you may also find it useful to call our helpliners, here you can talk through your queries and concerns. Lines are open 9-5 weekdays and 10-2 Saturday on 0808 800 6000.
The following link will take you to the BCC 'Treatments' information page where you will find more support ideas for you and your Mum along with information about treatments/side effects:
http://www.breastcancercare.org.uk/treatment?utm_source=Homepage&%3Butm_medium=help_you&%3Butm_campaign=treatment
Take care
Lucy