my liver biopsy came back positive

Please give me info!!! My a newby!

I found out my liver biopsy shows a reoccurance. My onc. phoned and said we would probably start with weekly infusions of herceptin and navelbine. I was on herceptin for a year, but I've never heard of Navelbine. What are the side effects? Will I need help at home with my kids? Will I loose my hair again? How many weeks does the treatment go on and has it effective for any of you?

Melissa from Texas