My GP was quite scathing about the fact it was now labelled 16 plus, but didn't hint that It would be ok.
I've had a Google and what I understand is that there is only a theoretical risk of Reye's syndrome, and that the risk refers to long term use, not a few days for a one off illness.
She is sooooo miserable as it's a pretty nasty dose and her mouth is really sore :( I just want to be able to go something to make her more comfortable.