Hi My Daughter Is 5 Years Old. She Is Having

Hi my daughter is 5 years old. She is having adenoid problem. Very often she catches cold and cough every month. But no running nose her voice changes lightly and her lips are very dry. She use to vomit while sleeping at night with coughing. Pls help. gave levociterizine with monteluckast for 3 months but again she is suffering every month pls help.