Days (2.9) has been poorly with a cough and wheezing for a couple of weeks and has been in hospital twice in the last week due to breathing difficulties. Had inhalers, oxygen, nebuliser and now on antibiotics so quite a tough time for us all. He's also had explosive diarrhoea since Tuesday which I've put down to the steroids he was on (no vomiting). He normally has a good appetite but has been really off his food for the last 4-5 days, e.g today he's had a small bowl of cereal, a few bites of pizza at lunchtime (maybe 4 or 5) and for dinner, one piece of pasta (yes, one!) and a quarter of a sundried tomato. He's drinking well, but a lot of milk which I now want to restrict (dairy generally) until the diarrhoea passes. He's already lost a couple of pounds with being ill, but since starting on the antibiotics is much more himself, playing, chatting etc. At what stage should I start to get worried about him not eating, and anyone got any tips to get him eating? We've been giving him foods he usually loves so that's not the issue - he just doesn't want anything.