I have a 6 week old baby, every evening/day from 4pm she screams the house down until 9 when she goes to sleep for a 'proper sleep' (3-4 hours) she's on gaviscon and colief
Recently been in hospital with umbilical flare (belly button infection) but that looks pretty much cleared up so don't think its that
I'm at a complete loss what to do.. Back to the doctors again?!? Or can anyone suggest something else that could be causing it, she draws her knees up and will settle for 2-3 minutes and then she just screams.. Taking her milk ok and sleeps all morning so can't be overtired as she starts 5 minutes after waking up... Is she just a grumpy baby or is there an underlying cause? 
Tia