My daughter have dry cough and also runny nose. Also her medication of ear infection is going on. plz let me know what I can do. how to treat her cough?

A. Benadryl DR Syrup, 100 ml contains an anti-tussive (relieve cough) medication primarily used to treat dry cough. A cough is a reflex action that helps to clear any foreign irritant or mucus in the throat. Benadryl DR Syrup, 100 ml contains Dextromethorphan hydrobromide, a cough suppressant.