DD 13 has these symptoms. She is also sore lower abdomen both sides. Went to docs yesterday and she prodded her tummy (no other checks) and said gastroenteritis, even though there has been no vomiting or diarrhoea. Is this possible? She is on her third day off school saying it hurts a lot and feels sick. I just wondered if anyone has any suggestions please.dpctor prescribed buscopan but this has not really helped yet.