Girls, hello! It was a terrible night, my son cried all night long, he…

Girls, hello! It was a terrible night, my son cried all night long, he was capricious and woke up immediately crying, ate for 30 minutes, slept again and everything went in a circle until morning. I noticed that he started coughing and his nose is stuffy. There's no fever. What can you give him for the cough? Dry cough.