My son is 15months old , since one week he as cold and cough . Initially for a day didn’t give him any syrup . Later gave him phenergan only when he had too much cold . When he had cough I gave him ascoril d . But still he has chest congestion because of which he is not eating and feeling difficult to breathe. The above medicines I gave based on my previous visit to doctor. Please suggest what to do clear his caffa