As per your case history, you seem to have acute sinusitis
of bacterial origin. So your doctor has prescribed you Augmentin
. This antibiotic needs to be continued for 10 -14 days so that infection clears up.
You can continue using chest decongestant as well.
Start steam inhalation so that breathing difficulty is relieved.
With completion of antibiotic course, fever, cough and head congestion will come down.
If you still continue to get above symptoms in spite of antibiotic, then review again with your doctor and imaging like CT/MRI may be required to rule out complications[meningitis
,vision problem,ear infection