Hi welcome to health care magic....
According to history following can be possibilities .....
1.Upper
respiratory tract infection.
2.Bronchitis (viral or allergic or bacterial )
3.Lung parenchyma infection...
The bronchitis seems most likely here ..
Your auscultation with stethoscope needed and accordingly investgated with chest x ray and spirometry ...
Meanwhile you might need full course of
levofloxacin like antibiotic ...
Decongestent benadryl can be given...
Steam inhalation three times a day ...
Avoid excess spicy foods ...
If
bronchoconstriction than
bronchodilator can be given...
Hot water used for drinking ...
If mucus more ambroxol syrup can be prescribed ...
Take care
If still no improvement than sputum examination done
Advise :
consult pulmonologist and discuss all this with him ...