Talk to Pediatrician on Vomiting And Cough

my daughter is one yr old.she has cough (congested ) mostly and she vomits her feed(formula)mostly at night right aftr taking it with a cough. even if she is ok otherwise but at night she takes milk and then coughs aftr one minite n vomit all. i m.fed up. i have given augmentin...cefixime..azithro (twice ) now i m fed up. me usko raat garam.rakti hun magar subu nae siray sy zukaam start huta hy.kana pena ni huta.jab chand din tek huey thy tu kafi kahti thy. ab kia karun for her vomiting even if its becos of her chest or throat?????kindly help.by the way i m mbbs too.but peads me short c hjb ke thy😉