She sometimes complains of diarrhoea and sometimes complains of constipation.... she also has stomach pain sometimes... whenever she consumes milk or any sweets made of milk she complains of stomach pain and diarrhoea. Also when she is tensed or is scared she gets stomach pain and diarrhoea. Sometimes there is blood in stool also. Whenever she takes tension or is anxious she has stomach pain. When the pain is so intense that she cannot bear it then she has an episode of syncope. She feels dizzy. What could be the reason and medicines? Her hb level is 10.9 and vit d level is 4.6 her calcium level is 8.6 apart from that everything is normal.