While travelling with a small child he came down with a fever and l was wondering how hot can l child get before it is dangerous? Or at what teperature is it considered a fever? While he was sleeping l found this great reference table for common childhood illnesses from huggies.com.au that as parents we can use.It can help you to work out your best course of action when your child is sick. Even if your child is not unwell it is a good guide to read and have for the future.