Chemo side effects?

Hello:

My mother is one weekly cycles of Taxotere and herceptin and for the first 3 weeks everything was fine...In the last two weeks she is constantly feeling nausious..and cannt event bear to hear someone talk about food...when she does eat she gets a sharp pain in her back (under the upper left shoulder blade)...she use to get this pain a long time ago and doctors at that time mentioned that it was gas...her pain subsides once that area is massaged and/or she takes a medicine for gas.

My mother a normally strong women, is talking abt giving up..she says she cant bear this too long...her nausea has caused her too lose alot of weight and because of this she does not have any energy and every night cries herself to sleep..

I cant see my mother like this, any advice from anyone who has gone through the same thing...pls pls help..I really need some perspective on how to handle this.

Ps. If my mother does decide to eat..it is usually something sweet like custard, ice cream etc..which Ive heard is bad for cancer...She cant really help this as her taste buds have gone and everything smells bad to her.

Thanks

S