I Have 5 Years Old Daughter She Cough At Night

I have 5 years old daughter she cough at night or if she drink any thing cold. That night. She cough. I usually give her Acefyle syrap. But ran out of that. Is their any other Alternate syrup. Bcoz in.( US) .I don't know Acefyle is available. Or not plz if You can tell me( substitute. )Thanks?