okay well my daughter whos 3 is always unwell she has constant coughs colds croup, she always says she has sore legs or leg.....and now shes been complaing of a sore tummy for 3 days shes awlays really pale never has any colour in her at all and yesterday she went for a poo and it was a mix of brown and white?? which ive never seen before im wondering if her immune systems low and should get her checked but she never gets a break from bein unwell and when I take to the doctor all they ever say is its viral?? surely she can be unwell like that all the time though? or am I just bein a paranoid mummy!! Help please....! thanks