Hi Good After Noon My Son Is Suffering From Loose

Hi good after noon my son is suffering from loose motion not exactly loose motion the motion is coming only watery most of the time first time doc gave bifilac and z and d for five days then gave walamycin, now he gave econorm but i get the advise for econorm through phone his voice is not clear how much i can give then how to give my son is exactly one month old born on 5th feb 2016pls suggest how to use how much,