my 2.5 years old son is suffering from something that seems to be coming out of his throat but he doesn t vomitt, I m not sure if this is GERD , but he takes Zantac & Motillium & he is not getting any better, no course voice, no coughing, no vomitting, no pain, just something seems to be coming out, but it doesn t, please i need your advice. thanks.