He's been awake most of the night, the pattern is about an hours sleep then wake up writhing in pain and crying hard. He's not really a crier so that worries me. I've given him calpol, teething gel, milk and water and nothing helps. When he's in pain he really arches his back, I thought it might be trapped wind but rubbing his tummy and bicycling his legs hasn't helped. After about half an hour of the writhing its as if its stopped and he falls back to sleep. He hasn't got a temperature, I'm not sure whether to take him to the doc, his symptoms seem so non specific. Any clues?