question: My son age 4 yrs is having cough and flum (breathing problem) problem. He is having breathing problem during nights, he is continuously coughing and unable to spit the flum out. Kindly suggest best antibiotic to dilute the flum. We have used buxol, ambroxil, azitrol, but no use. Kindly suggest best medicine. We are living in Shahabad, Gulbarga District, Karnataka