How To Treat Vomiting And Passing Of Green Stool Inspite Of Giving Zanocin And Econorm Sachet?

Dear sir,My 4 yrs daughter is suffering from vomiting, loose motion and greenish stool for last 2 days. Doctor suggested Econorm sachet, Zanocin and tufro. It will be kind enough if you suggest any further medication and what food we can give her now.Thanking You,Alimpak Dutta,Kolkata