with chest infections the coughing gets worse when you lay down, go in and out of the
cold, is wheesy, sometimes with mucus, and it is quite a bad
chest infection when is starts getting crackly. also coughing can be so frequent, hard or violent it can cause bad headaches.
you really need to see a doctor.
the longer you leave it the worse it will get.
if you leave it too long you will struggle to breath. especially with asthma, chest infections when left can be dangerous.