Boy of 4 yrs recently recovered from fever and stomach infection, 10 days before..was passing green stools was advised taxim forte o, o2 syrup, zinc gluconate, rhamos gg duo, all medications over but now passing stool after every feed, consitenceny normal, sometimes little white dry traces are seen in potty, doctor has advised tummy soft for 3 weeks, Child is active and food intake is normal anything stool test need to be done?