hello doctor. my son weight s 9kgs I also ask doctor is it OK r nt ND he told nt worried about Dt antha. but he looking lk very thin and he after food taken immediately go to washroom. Wht to do for Dt. when he takes the milk suddenly wl come cough. but doctor told dnt give to milk upto two years is it OK for Dt. but upto brk fast Wht wl give him