DS is having 3 or 4 very runny/smelly nappies a day - if it was a diarrhoea bug it would be more frequent than that, yes? And I know they can have runny nappies when they're teething but isn't that when they drool lots? He's not dribbling at all. Some of the family have had a cold and although DS doesn't seem to have it yet I suppose it could be on his way - do they get icky nappies if they have a cold? He seems fine in himself, just more whiny then usual. Very confused...