The actress cut her head open during her routine on last week's show and has since sliced her leg on a skate at rehearsals on Friday (February 17).
Ellison has vowed to perform on tonight's show (February 19) with professional partner Dan Whiston despite her injuries, but admitted she is afraid of hurting herself again.
"I've cried quite a lot this week and my confidence has hit an all-time low on the ice. When I cut my head it was like being hit with a brick. I looked at Dan in shock but he didn't realise what had happened and threw me upside down," Ellison told the Daily Star Sunday.
"I honestly thought the back of my head would be hanging off when I finished. It was only when I put my hand on my head at the end that I realised how badly it was bleeding. I basically went into shock and was freezing cold.
"I was training at Elstree on Friday when I had another accident. It was a painful deep cut where my skate blade had gouged into my leg.
"It was bad enough to need stitches but it's not going to stop me from skating. I'm getting straight back out on the ice for more training. Everyone will think I'm crazy but I'm not going to let a few cuts and scrapes get in my way."
Dancing on Ice continues tonight at 6.05pm on ITV1.