I have been on 15mg mirtazerpine for 1 year now for anxiety and insomnia. It has worked really well and I sleep through the night no problem! But last week while in Spain on holiday I started feeling anxious and couldn't eat! So I have upt my dose to 30mg, but don't feel any better. So I just wondered if any one knows how long it will take t kick in? As I am away in Spain and should be enjoying myself but I so are not!!!