Took my daughter to triage,they said its nothing to worry about,but thats been 2 weeks now she has had very loose stools yellow in colour,not right ?

Need much more: You don't mention your daughters age, general health, or any other symptoms she is having. Has she had vomiting, fever, pain? Has she been seen by a doctor at all yet? With only knowing she has had diarrhea for 2 weeks, would say monitor diet to include high protein, low dairy, no simple sugars and lots of water. Would recommend evaluation if this has gone on two weeks already.