How to make my baby feel better if she has a cold?

I also having a hard time making my little boy feel better.... he is coughing non stop..... I do whatever I can... use essential oil to help him breath better.... steam orange with salt for him..... use chest rub for him... apply to his sole tooo...give fluid. ...give honey. ... use sterimma. ...every kids fall sick... the most heartpain is the parents. .....