Hi thanks for contacting HCM...
Your cough and fever not improving ...
You might have
bronchitis like inflammatory condition....
If cough more than three week than here digital chest x ray can be done for further work up....
Also investigate with CBC to look for
eosinophilia or
lymphocytosis that is present in allergic and viral infection respectively ....
Take
pseudoephedrine like antiinflammatory drug or if inflammation more short term steroid can be taken....
Steam inhalation also useful .....
If wet cough troublesome ambroxol like mucolytic drug can be given. ...
Home remedy : Take one glass hot milk.Add one tsp turmeric powder plus one tsp black pepper seed powder...Then add one tsp honey and mix and drink daily ...
If x ray show consolidation than you have to admit in hospital for
iv antibiotic ...
Take care .
Advise : pulmonologist consultation.
Hope your concern solved .